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99 vulnerabilities by OWASP
CVE-2026-52761 (GCVE-0-2026-52761)
Vulnerability from nvd – Published: 2026-07-10 21:40 – Updated: 2026-07-13 14:08
VLAI
EPSS
VEX
Title
ModSecurity: Transformation utf8toUnicode produces wrong output on i386 architecture
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8_to_unicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a char pointer rather than the length of the unicode buffer, allowing rules that use this transformation to be bypassed on i386 architecture. This issue is fixed in version 3.0.16.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-467 - Use of sizeof() on a Pointer Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
>= 3.0.0, < 3.0.16
|
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CVE-2026-52747 (GCVE-0-2026-52747)
Vulnerability from nvd – Published: 2026-07-10 21:42 – Updated: 2026-07-13 17:48
VLAI
EPSS
VEX
Title
ModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and ARGS_POST because src/request_body_processor/multipart.cc overwrites reserved bytes in m_reserve instead of appending the current buffer. This creates a parser differential between ModSecurity and backend applications that preserve line breaks in form fields, allowing rules that inspect ARGS or ARGS_POST to miss payloads whose dangerous syntax depends on a line break. This issue is fixed in version 3.0.16.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 3.0.16
|
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CVE-2026-42268 (GCVE-0-2026-42268)
Vulnerability from nvd – Published: 2026-05-12 21:40 – Updated: 2026-05-14 12:34
VLAI
EPSS
VEX
Title
ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::out_of_range) caused by unsigned integer underflow in libmodsecurity3 if the user (administrator) uses a rule any of @verifySSN, @verifyCPF, or @verifySVNR. This vulnerability is fixed in 3.0.15.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
>= 3.0.0, < 3.0.15
|
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CVE-2026-30923 (GCVE-0-2026-30923)
Vulnerability from nvd – Published: 2026-05-05 18:46 – Updated: 2026-05-05 19:21
VLAI
EPSS
VEX
Title
libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a single character. An attacker can exploit this to crash worker processes, causing a denial of service. Service resumes once the attack stops as worker processes recover from the segfault. All versions before 3.0.15 of libModSecurity3 are affected. This has been patched in version 3.0.15.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 3.0.15
|
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CVE-2026-40316 (GCVE-0-2026-40316)
Vulnerability from nvd – Published: 2026-04-15 22:49 – Updated: 2026-04-16 14:18
VLAI
EPSS
VEX
Title
OWASP BLT has RCE in Github Actions via untrusted Django model execution in workflow
Summary
OWASP BLT is a QA testing and vulnerability disclosure platform that encompasses websites, apps, git repositories, and more. Versions prior to 2.1.1 contain an RCE vulnerability in the .github/workflows/regenerate-migrations.yml workflow. The workflow uses the pull_request_target trigger to run with full GITHUB_TOKEN write permissions, copies attacker-controlled files from untrusted pull requests into the trusted runner workspace via git show, and then executes python manage.py makemigrations, which imports Django model modules including attacker-controlled website/models.py at runtime. Any module-level Python code in the attacker's models.py is executed during import, enabling arbitrary code execution in the privileged CI environment with access to GITHUB_TOKEN and repository secrets. The attack is triggerable by any external contributor who can open a pull request, provided a maintainer applies the regenerate-migrations label, potentially leading to secret exfiltration, repository compromise, and supply chain attacks. A patch for this issue is expected to be released in version 2.1.1.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OWASP-BLT/BLT/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-33691 (GCVE-0-2026-33691)
Vulnerability from nvd – Published: 2026-04-02 15:03 – Updated: 2026-04-18 19:16
VLAI
EPSS
VEX
Title
OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks
Summary
The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions (.php, .phar, .jsp, .jspx) by inserting whitespace padding in the filename (e.g. photo. php or shell.jsp ). The affected rules do not normalize whitespace before evaluating the file extension regex, so the dot-extension check fails to match. This issue has been patched in versions 3.3.9 and 4.25.0.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/coreruleset/coreruleset/securi… | x_refsource_CONFIRM |
| https://github.com/coreruleset/coreruleset/pull/4546 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/pull/4547 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/pull/4548 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/03/29/2 | |
| http://seclists.org/fulldisclosure/2026/Apr/0 | |
| http://www.openwall.com/lists/oss-security/2026/04/18/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| coreruleset | coreruleset |
Affected:
< 3.3.9
Affected: >= 4.0.0-rc1, < 4.25.0 |
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CVE-2026-3816 (GCVE-0-2026-3816)
Vulnerability from nvd – Published: 2026-03-09 11:02 – Updated: 2026-03-09 17:25 X_Open Source
VLAI
EPSS
VEX
Title
OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service
Summary
A security vulnerability has been detected in OWASP DefectDojo up to 2.55.4. This vulnerability affects the function input_zip.read of the file parser.py of the component SonarQubeParser/MSDefenderParser. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.56.0 is able to resolve this issue. The identifier of the patch is e8f1e5131535b8fd80a7b1b3085d676295fdcd41. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Denial of Service
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349782 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349782 | signaturepermissions-required |
| https://vuldb.com/?submit.769524 | third-party-advisory |
| https://github.com/henrrrychau/cve-bug-bounty/blo… | related |
| https://github.com/DefectDojo/django-DefectDojo/p… | issue-trackingpatch |
| https://github.com/henrrrychau/cve-bug-bounty/blo… | exploit |
| https://github.com/DefectDojo/django-DefectDojo/c… | patch |
| https://github.com/DefectDojo/django-DefectDojo/r… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP | DefectDojo |
Affected:
2.55.0
Affected: 2.55.1 Affected: 2.55.2 Affected: 2.55.3 Affected: 2.55.4 Unaffected: 2.56.0 |
Credits
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CVE-2026-21876 (GCVE-0-2026-21876)
Vulnerability from nvd – Published: 2026-01-08 13:55 – Updated: 2026-04-09 15:41
VLAI
EPSS
VEX
Title
OWASP CRS has multipart bypass using multiple content-type parts
Summary
The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 4.22.0 and 3.3.8, the current rule 922110 has a bug when processing multipart requests with multiple parts. When the first rule in a chain iterates over a collection (like `MULTIPART_PART_HEADERS`), the capture variables (`TX:0`, `TX:1`) get overwritten with each iteration. Only the last captured value is available to the chained rule, which means malicious charsets in earlier parts can be missed if a later part has a legitimate charset. Versions 4.22.0 and 3.3.8 patch the issue.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-794 - Incomplete Filtering of Multiple Instances of Special Elements
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/coreruleset/coreruleset/securi… | x_refsource_CONFIRM |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/daytriftnewgen/CVE-2026-21876 | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| coreruleset | coreruleset |
Affected:
< 4.22.0
Affected: < 3.3.8 |
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CVE-2025-66022 (GCVE-0-2025-66022)
Vulnerability from nvd – Published: 2025-11-26 02:08 – Updated: 2025-11-26 15:13
VLAI
EPSS
VEX
Title
FACTION Unauthenticated Custom Extension Upload leads to RCE
Summary
FACTION is a PenTesting Report Generation and Collaboration Framework. Prior to version 1.7.1, an extension execution path in Faction’s extension framework permits untrusted extension code to execute arbitrary system commands on the server when a lifecycle hook is invoked, resulting in remote code execution (RCE) on the host running Faction. Due to a missing authentication check on the /portal/AppStoreDashboard endpoint, an attacker can access the extension management UI and upload a malicious extension without any authentication, making this vulnerability exploitable by unauthenticated users. This issue has been patched in version 1.7.1.
Severity
9.7 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/factionsecurity/faction/securi… | x_refsource_CONFIRM |
| https://github.com/factionsecurity/faction/commit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| factionsecurity | faction |
Affected:
< 1.7.1
|
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CVE-2025-66021 (GCVE-0-2025-66021)
Vulnerability from nvd – Published: 2025-11-26 01:53 – Updated: 2025-11-26 15:16
VLAI
EPSS
VEX
Title
OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization
Summary
OWASP Java HTML Sanitizer is a configureable HTML Sanitizer written in Java, allowing inclusion of HTML authored by third-parties in web applications while protecting against XSS. In version 20240325.1, OWASP java html sanitizer is vulnerable to XSS if HtmlPolicyBuilder allows noscript and style tags with allowTextIn inside the style tag. This could lead to XSS if the payload is crafted in such a way that it does not sanitise the CSS and allows tags which is not mentioned in HTML policy. At time of publication no known patch is available.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OWASP/java-html-sanitizer/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP | java-html-sanitizer |
Affected:
= 20240325.1
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CVE-2025-54571 (GCVE-0-2025-54571)
Vulnerability from nvd – Published: 2025-08-05 23:39 – Updated: 2025-11-03 18:13
VLAI
EPSS
VEX
Title
ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11
and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-252 - Unchecked Return Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 2.9.12
|
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CVE-2025-48866 (GCVE-0-2025-48866)
Vulnerability from nvd – Published: 2025-06-02 15:46 – Updated: 2025-06-09 15:03
VLAI
EPSS
VEX
Title
ModSecurity has possible DoS vulnerability in sanitiseArg action
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions prior to 2.9.10 contain a denial of service vulnerability similar to GHSA-859r-vvv8-rm8r/CVE-2025-47947. The `sanitiseArg` (and `sanitizeArg` - this is the same action but an alias) is vulnerable to adding an excessive number of arguments, thereby leading to denial of service. Version 2.9.10 fixes the issue. As a workaround, avoid using rules that contain the `sanitiseArg` (or `sanitizeArg`) action.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1050 - Excessive Platform Resource Consumption within a Loop
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 2.9.10
|
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CVE-2023-48171 (GCVE-0-2023-48171)
Vulnerability from nvd – Published: 2024-08-12 00:00 – Updated: 2024-08-13 18:29
VLAI
EPSS
VEX
Summary
An issue in OWASP DefectDojo before v.1.5.3.1 allows a remote attacker to escalate privileges via the user permissions component.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp | defectdojo |
Affected:
0 , < 1.5.3.1
(custom)
cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:* |
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CVE-2024-1019 (GCVE-0-2024-1019)
Vulnerability from nvd – Published: 2024-01-30 16:09 – Updated: 2025-06-17 21:29
VLAI
EPSS
VEX
Title
WAF bypass of the ModSecurity v3 release line
Summary
ModSecurity / libModSecurity 3.0.0 to 3.0.11 is affected by a WAF bypass for path-based payloads submitted via specially crafted request URLs. ModSecurity v3 decodes percent-encoded characters present in request URLs before it separates the URL path component from the optional query string component. This results in an impedance mismatch versus RFC compliant back-end applications. The vulnerability hides an attack payload in the path component of the URL from WAF rules inspecting it. A back-end may be vulnerable if it uses the path component of request URLs to construct queries. Integrators and users are advised to upgrade to 3.0.12. The ModSecurity v2 release line is not affected by this vulnerability.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP ModSecurity | ModSecurity |
Affected:
3.0.0 , ≤ 3.0.11
(patch)
|
Date Public
2024-01-30 15:00
Credits
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CVE-2024-23686 (GCVE-0-2024-23686)
Vulnerability from nvd – Published: 2024-01-19 21:12 – Updated: 2026-07-14 22:54
VLAI
EPSS
VEX
Title
DependencyCheck Debug Mode Logging of NVD API Key
Summary
DependencyCheck for Maven 9.0.0 to 9.0.6, for CLI version 9.0.0 to 9.0.5, and for Ant versions 9.0.0 to 9.0.5, when used in debug mode, allows an attacker to recover the NVD API Key from a log file.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/jeremylong/DependencyCheck/sec… | vendor-advisory |
| https://github.com/advisories/GHSA-qqhq-8r2c-c3f5 | vendor-advisory |
| https://vulncheck.com/advisories/vc-advisory-GHSA… | third-party-advisory |
Impacted products
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CVE-2026-52747 (GCVE-0-2026-52747)
Vulnerability from cvelistv5 – Published: 2026-07-10 21:42 – Updated: 2026-07-13 17:48
VLAI
EPSS
VEX
Title
ModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmodsecurity silently removes embedded line breaks from non-file form-field values before exporting them to ARGS and ARGS_POST because src/request_body_processor/multipart.cc overwrites reserved bytes in m_reserve instead of appending the current buffer. This creates a parser differential between ModSecurity and backend applications that preserve line breaks in form fields, allowing rules that inspect ARGS or ARGS_POST to miss payloads whose dangerous syntax depends on a line break. This issue is fixed in version 3.0.16.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 3.0.16
|
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CVE-2026-52761 (GCVE-0-2026-52761)
Vulnerability from cvelistv5 – Published: 2026-07-10 21:40 – Updated: 2026-07-13 14:08
VLAI
EPSS
VEX
Title
ModSecurity: Transformation utf8toUnicode produces wrong output on i386 architecture
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8_to_unicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a char pointer rather than the length of the unicode buffer, allowing rules that use this transformation to be bypassed on i386 architecture. This issue is fixed in version 3.0.16.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-467 - Use of sizeof() on a Pointer Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
>= 3.0.0, < 3.0.16
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CVE-2026-42268 (GCVE-0-2026-42268)
Vulnerability from cvelistv5 – Published: 2026-05-12 21:40 – Updated: 2026-05-14 12:34
VLAI
EPSS
VEX
Title
ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::out_of_range) caused by unsigned integer underflow in libmodsecurity3 if the user (administrator) uses a rule any of @verifySSN, @verifyCPF, or @verifySVNR. This vulnerability is fixed in 3.0.15.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
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CVE-2026-30923 (GCVE-0-2026-30923)
Vulnerability from cvelistv5 – Published: 2026-05-05 18:46 – Updated: 2026-05-05 19:21
VLAI
EPSS
VEX
Title
libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a single character. An attacker can exploit this to crash worker processes, causing a denial of service. Service resumes once the attack stops as worker processes recover from the segfault. All versions before 3.0.15 of libModSecurity3 are affected. This has been patched in version 3.0.15.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
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| owasp-modsecurity | ModSecurity |
Affected:
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CVE-2026-40316 (GCVE-0-2026-40316)
Vulnerability from cvelistv5 – Published: 2026-04-15 22:49 – Updated: 2026-04-16 14:18
VLAI
EPSS
VEX
Title
OWASP BLT has RCE in Github Actions via untrusted Django model execution in workflow
Summary
OWASP BLT is a QA testing and vulnerability disclosure platform that encompasses websites, apps, git repositories, and more. Versions prior to 2.1.1 contain an RCE vulnerability in the .github/workflows/regenerate-migrations.yml workflow. The workflow uses the pull_request_target trigger to run with full GITHUB_TOKEN write permissions, copies attacker-controlled files from untrusted pull requests into the trusted runner workspace via git show, and then executes python manage.py makemigrations, which imports Django model modules including attacker-controlled website/models.py at runtime. Any module-level Python code in the attacker's models.py is executed during import, enabling arbitrary code execution in the privileged CI environment with access to GITHUB_TOKEN and repository secrets. The attack is triggerable by any external contributor who can open a pull request, provided a maintainer applies the regenerate-migrations label, potentially leading to secret exfiltration, repository compromise, and supply chain attacks. A patch for this issue is expected to be released in version 2.1.1.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OWASP-BLT/BLT/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-33691 (GCVE-0-2026-33691)
Vulnerability from cvelistv5 – Published: 2026-04-02 15:03 – Updated: 2026-04-18 19:16
VLAI
EPSS
VEX
Title
OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks
Summary
The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions (.php, .phar, .jsp, .jspx) by inserting whitespace padding in the filename (e.g. photo. php or shell.jsp ). The affected rules do not normalize whitespace before evaluating the file extension regex, so the dot-extension check fails to match. This issue has been patched in versions 3.3.9 and 4.25.0.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/coreruleset/coreruleset/securi… | x_refsource_CONFIRM |
| https://github.com/coreruleset/coreruleset/pull/4546 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/pull/4547 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/pull/4548 | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/03/29/2 | |
| http://seclists.org/fulldisclosure/2026/Apr/0 | |
| http://www.openwall.com/lists/oss-security/2026/04/18/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| coreruleset | coreruleset |
Affected:
< 3.3.9
Affected: >= 4.0.0-rc1, < 4.25.0 |
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CVE-2026-3816 (GCVE-0-2026-3816)
Vulnerability from cvelistv5 – Published: 2026-03-09 11:02 – Updated: 2026-03-09 17:25 X_Open Source
VLAI
EPSS
VEX
Title
OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service
Summary
A security vulnerability has been detected in OWASP DefectDojo up to 2.55.4. This vulnerability affects the function input_zip.read of the file parser.py of the component SonarQubeParser/MSDefenderParser. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.56.0 is able to resolve this issue. The identifier of the patch is e8f1e5131535b8fd80a7b1b3085d676295fdcd41. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Denial of Service
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349782 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349782 | signaturepermissions-required |
| https://vuldb.com/?submit.769524 | third-party-advisory |
| https://github.com/henrrrychau/cve-bug-bounty/blo… | related |
| https://github.com/DefectDojo/django-DefectDojo/p… | issue-trackingpatch |
| https://github.com/henrrrychau/cve-bug-bounty/blo… | exploit |
| https://github.com/DefectDojo/django-DefectDojo/c… | patch |
| https://github.com/DefectDojo/django-DefectDojo/r… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP | DefectDojo |
Affected:
2.55.0
Affected: 2.55.1 Affected: 2.55.2 Affected: 2.55.3 Affected: 2.55.4 Unaffected: 2.56.0 |
Credits
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CVE-2026-21876 (GCVE-0-2026-21876)
Vulnerability from cvelistv5 – Published: 2026-01-08 13:55 – Updated: 2026-04-09 15:41
VLAI
EPSS
VEX
Title
OWASP CRS has multipart bypass using multiple content-type parts
Summary
The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 4.22.0 and 3.3.8, the current rule 922110 has a bug when processing multipart requests with multiple parts. When the first rule in a chain iterates over a collection (like `MULTIPART_PART_HEADERS`), the capture variables (`TX:0`, `TX:1`) get overwritten with each iteration. Only the last captured value is available to the chained rule, which means malicious charsets in earlier parts can be missed if a later part has a legitimate charset. Versions 4.22.0 and 3.3.8 patch the issue.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-794 - Incomplete Filtering of Multiple Instances of Special Elements
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/coreruleset/coreruleset/securi… | x_refsource_CONFIRM |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/commit… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/coreruleset/coreruleset/releas… | x_refsource_MISC |
| https://github.com/daytriftnewgen/CVE-2026-21876 | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| coreruleset | coreruleset |
Affected:
< 4.22.0
Affected: < 3.3.8 |
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CVE-2025-66022 (GCVE-0-2025-66022)
Vulnerability from cvelistv5 – Published: 2025-11-26 02:08 – Updated: 2025-11-26 15:13
VLAI
EPSS
VEX
Title
FACTION Unauthenticated Custom Extension Upload leads to RCE
Summary
FACTION is a PenTesting Report Generation and Collaboration Framework. Prior to version 1.7.1, an extension execution path in Faction’s extension framework permits untrusted extension code to execute arbitrary system commands on the server when a lifecycle hook is invoked, resulting in remote code execution (RCE) on the host running Faction. Due to a missing authentication check on the /portal/AppStoreDashboard endpoint, an attacker can access the extension management UI and upload a malicious extension without any authentication, making this vulnerability exploitable by unauthenticated users. This issue has been patched in version 1.7.1.
Severity
9.7 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/factionsecurity/faction/securi… | x_refsource_CONFIRM |
| https://github.com/factionsecurity/faction/commit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| factionsecurity | faction |
Affected:
< 1.7.1
|
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CVE-2025-66021 (GCVE-0-2025-66021)
Vulnerability from cvelistv5 – Published: 2025-11-26 01:53 – Updated: 2025-11-26 15:16
VLAI
EPSS
VEX
Title
OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization
Summary
OWASP Java HTML Sanitizer is a configureable HTML Sanitizer written in Java, allowing inclusion of HTML authored by third-parties in web applications while protecting against XSS. In version 20240325.1, OWASP java html sanitizer is vulnerable to XSS if HtmlPolicyBuilder allows noscript and style tags with allowTextIn inside the style tag. This could lead to XSS if the payload is crafted in such a way that it does not sanitise the CSS and allows tags which is not mentioned in HTML policy. At time of publication no known patch is available.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OWASP/java-html-sanitizer/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP | java-html-sanitizer |
Affected:
= 20240325.1
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CVE-2025-54571 (GCVE-0-2025-54571)
Vulnerability from cvelistv5 – Published: 2025-08-05 23:39 – Updated: 2025-11-03 18:13
VLAI
EPSS
VEX
Title
ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11
and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-252 - Unchecked Return Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 2.9.12
|
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CVE-2025-48866 (GCVE-0-2025-48866)
Vulnerability from cvelistv5 – Published: 2025-06-02 15:46 – Updated: 2025-06-09 15:03
VLAI
EPSS
VEX
Title
ModSecurity has possible DoS vulnerability in sanitiseArg action
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions prior to 2.9.10 contain a denial of service vulnerability similar to GHSA-859r-vvv8-rm8r/CVE-2025-47947. The `sanitiseArg` (and `sanitizeArg` - this is the same action but an alias) is vulnerable to adding an excessive number of arguments, thereby leading to denial of service. Version 2.9.10 fixes the issue. As a workaround, avoid using rules that contain the `sanitiseArg` (or `sanitizeArg`) action.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1050 - Excessive Platform Resource Consumption within a Loop
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_CONFIRM |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://github.com/owasp-modsecurity/ModSecurity/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Affected:
< 2.9.10
|
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CVE-2023-48171 (GCVE-0-2023-48171)
Vulnerability from cvelistv5 – Published: 2024-08-12 00:00 – Updated: 2024-08-13 18:29
VLAI
EPSS
VEX
Summary
An issue in OWASP DefectDojo before v.1.5.3.1 allows a remote attacker to escalate privileges via the user permissions component.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owasp | defectdojo |
Affected:
0 , < 1.5.3.1
(custom)
cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:* |
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CVE-2024-1019 (GCVE-0-2024-1019)
Vulnerability from cvelistv5 – Published: 2024-01-30 16:09 – Updated: 2025-06-17 21:29
VLAI
EPSS
VEX
Title
WAF bypass of the ModSecurity v3 release line
Summary
ModSecurity / libModSecurity 3.0.0 to 3.0.11 is affected by a WAF bypass for path-based payloads submitted via specially crafted request URLs. ModSecurity v3 decodes percent-encoded characters present in request URLs before it separates the URL path component from the optional query string component. This results in an impedance mismatch versus RFC compliant back-end applications. The vulnerability hides an attack payload in the path component of the URL from WAF rules inspecting it. A back-end may be vulnerable if it uses the path component of request URLs to construct queries. Integrators and users are advised to upgrade to 3.0.12. The ModSecurity v2 release line is not affected by this vulnerability.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OWASP ModSecurity | ModSecurity |
Affected:
3.0.0 , ≤ 3.0.11
(patch)
|
Date Public
2024-01-30 15:00
Credits
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VAR-202112-0385
Vulnerability from variot - Updated: 2025-07-04 19:42ModSecurity 3.x through 3.0.5 mishandles excessively nested JSON objects. Crafted JSON objects with nesting tens-of-thousands deep could result in the web server being unable to service legitimate requests. Even a moderately large (e.g., 300KB) HTTP request can occupy one of the limited NGINX worker processes for minutes and consume almost all of the available CPU on the machine. Modsecurity 2 is similarly vulnerable: the affected versions include 2.8.0 through 2.9.4. ModSecurity Exists in a recursive control vulnerability.Service operation interruption (DoS) It may be in a state. ModSecurity is an intrusion detection and prevention engine that can run as a module of the Apache web server or as a separate application to enhance the security of web applications and protect web applications from known and unknown attacks. The update introduces a new 'SecRequestBodyJsonDepthLimit' option to limit the maximum request body JSON parsing depth which ModSecurity will accept (defaults to 10000).
For the oldstable distribution (buster), this problem has been fixed in version 2.9.3-1+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in version 2.9.3-3+deb11u1.
We recommend that you upgrade your modsecurity-apache packages.
For the detailed security status of modsecurity-apache please refer to its security tracker page at: https://security-tracker.debian.org/tracker/modsecurity-apache
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----
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modsecurity-apache vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS (Available with Ubuntu Pro)
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in ModSecurity.
Software Description: - modsecurity-apache: Tighten web applications security for Apache
Details:
It was discovered that ModSecurity incorrectly handled certain nested JSON objects. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-42717)
It was discovered that ModSecurity incorrectly handled certain HTTP multipart requests. A remote attacker could possibly use this issue to bypass ModSecurity restrictions. (CVE-2022-48279)
It was discovered that ModSecurity incorrectly handled certain file uploads. A remote attacker could possibly use this issue to cause a buffer overflow and a firewall failure. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-24021)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS (Available with Ubuntu Pro): libapache2-mod-security2 2.9.5-1ubuntu0.1~esm1
Ubuntu 20.04 LTS: libapache2-mod-security2 2.9.3-1ubuntu0.1
Ubuntu 18.04 LTS (Available with Ubuntu Pro): libapache2-mod-security2 2.9.2-1ubuntu0.1~esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro): libapache2-mod-security2 2.9.0-1ubuntu0.1~esm1 libapache2-modsecurity 2.9.0-1ubuntu0.1~esm1
Ubuntu 14.04 LTS (Available with Ubuntu Pro): libapache2-mod-security2 2.7.7-2ubuntu0.1~esm1 libapache2-modsecurity 2.7.7-2ubuntu0.1~esm1
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-6370-1 CVE-2021-42717, CVE-2022-48279, CVE-2023-24021
Package Information: https://launchpad.net/ubuntu/+source/modsecurity-apache/2.9.3-1ubuntu0.1
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An attacker could possibly use this issue to cause a denial\nof service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS\nand Ubuntu 20.04 LTS. (CVE-2021-42717)\n\nIt was discovered that ModSecurity incorrectly handled certain HTTP\nmultipart requests. A remote attacker could possibly use this issue\nto bypass ModSecurity restrictions. (CVE-2022-48279)\n\nIt was discovered that ModSecurity incorrectly handled certain file\nuploads. A remote attacker could possibly use this issue to cause a\nbuffer overflow and a firewall failure. 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