Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2019-3994 (GCVE-0-2019-3994)
Vulnerability from cvelistv5 – Published: 2019-12-17 21:59 – Updated: 2024-08-04 19:26
VLAI
EPSS
VEX
Summary
ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free. A remote unauthenticated attacker can crash the ELOG server by sending multiple HTTP POST requests which causes the ELOG function retrieve_url() to use a freed variable.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tenable.com/security/research/tra-2019-53 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2019-3896 (GCVE-0-2019-3896)
Vulnerability from cvelistv5 – Published: 2019-06-18 23:40 – Updated: 2024-08-04 19:26
VLAI
EPSS
VEX
Summary
A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/108814 | vdb-entryx_refsource_BID |
| https://support.f5.com/csp/article/K04327111 | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2019071… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Foundation | kernel |
Affected:
2.6.32
|
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CVE-2019-3885 (GCVE-0-2019-3885)
Vulnerability from cvelistv5 – Published: 2019-04-18 00:00 – Updated: 2024-08-04 19:19
VLAI
EPSS
VEX
Summary
A use-after-free flaw was found in pacemaker up to and including version 2.0.1 which could result in certain sensitive information to be leaked via the system logs.
Severity
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://github.com/ClusterLabs/pacemaker/pull/1749 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | |
| http://www.securityfocus.com/bid/108036 | vdb-entry |
| https://usn.ubuntu.com/3952-1/ | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| https://access.redhat.com/errata/RHSA-2019:1278 | vendor-advisory |
| https://access.redhat.com/errata/RHSA-2019:1279 | vendor-advisory |
| https://security.gentoo.org/glsa/202309-09 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ClusterLabs | pacemaker |
Affected:
affects up to and including version 2.0.1
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CVE-2019-3829 (GCVE-0-2019-3829)
Vulnerability from cvelistv5 – Published: 2019-03-27 17:24 – Updated: 2024-08-04 19:19
VLAI
EPSS
VEX
Summary
A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. A memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.
Severity
5.3 (Medium)
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://www.gnutls.org/security-new.html#GNUTLS-S… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://gitlab.com/gnutls/gnutls/issues/694 | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/201904-14 | vendor-advisoryx_refsource_GENTOO |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/3999-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.netapp.com/advisory/ntap-2019061… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2019:3600 | vendor-advisoryx_refsource_REDHAT |
Impacted products
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CVE-2019-3817 (GCVE-0-2019-3817)
Vulnerability from cvelistv5 – Published: 2019-03-27 12:25 – Updated: 2024-08-04 19:19
VLAI
EPSS
VEX
Summary
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.
Severity
7.5 (High)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
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| https://github.com/rpm-software-management/libcom… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2019:3583 | vendor-advisoryx_refsource_REDHAT |
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CVE-2019-2393 (GCVE-0-2019-2393)
Vulnerability from cvelistv5 – Published: 2020-11-23 15:30 – Updated: 2024-09-16 22:40
VLAI
EPSS
VEX
Title
Crash while joining collections with $lookup
Summary
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use $lookup and collations. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13 and MongoDB Server v3.6 versions prior to 3.6.15.
Severity
6.5 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://jira.mongodb.org/browse/SERVER-43350 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB Inc. | MongoDB Server |
Affected:
3.6 , < 3.6.15
(custom)
Affected: 4.0 , < 4.0.13 (custom) Affected: 4.2 , < 4.2.1 (custom) |
Date Public
2020-11-30 00:00
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"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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CVE-2018-19017 (GCVE-0-2018-19017)
Vulnerability from cvelistv5 – Published: 2019-01-22 20:00 – Updated: 2024-09-17 01:00
VLAI
EPSS
VEX
Summary
Several use after free vulnerabilities have been identified in CX-Supervisor (Versions 3.42 and prior). When processing project files, the application fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.
Severity
No CVSS data available.
CWE
- CWE-416 - USE AFTER FREE CWE-416
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106654 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-19-017-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ICS-CERT | CX-Supervisor |
Affected:
Versions 3.42 and prior
|
Date Public
2019-01-17 00:00
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CVE-2018-18989 (GCVE-0-2018-18989)
Vulnerability from cvelistv5 – Published: 2018-12-04 22:00 – Updated: 2024-08-05 11:23
VLAI
EPSS
VEX
Summary
In CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior), when processing project files, the application fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.
Severity
No CVSS data available.
CWE
- CWE-416 - USE AFTER FREE CWE-416
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-338-01 | x_refsource_MISC |
| http://www.securityfocus.com/bid/106106 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | CX-One (CX-Programmer and CX-Server) |
Affected:
CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior)
|
Date Public
2018-12-04 00:00
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CVE-2018-17909 (GCVE-0-2018-17909)
Vulnerability from cvelistv5 – Published: 2018-11-05 23:00 – Updated: 2024-09-16 20:58
VLAI
EPSS
VEX
Summary
When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior, the application fails to check if it is referencing freed memory, which may allow an attacker to execute code under the context of the application.
Severity
No CVSS data available.
CWE
- CWE-416 - USE AFTER FREE CWE-416
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-290-01 | x_refsource_MISC |
| http://www.securityfocus.com/bid/105691 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Omron | CX-Supervisor |
Affected:
Versions 3.4.1.0 and prior.
|
Date Public
2018-10-17 00:00
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CVE-2018-17705 (GCVE-0-2018-17705)
Vulnerability from cvelistv5 – Published: 2019-01-24 04:00 – Updated: 2024-08-05 10:54
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.2.0.9297. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the display property of CheckBox objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7255.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
Date Public
2019-01-23 00:00
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.