Common Weakness Enumeration
CWE-674
Allowed-with-ReviewUncontrolled Recursion
Abstraction: Class · Status: Draft
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
742 vulnerabilities reference this CWE, most recent first.
CVE-2020-10704 (GCVE-0-2020-10704)
Vulnerability from cvelistv5 – Published: 2020-05-06 00:00 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
Severity
7.5 (High)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| 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://security.gentoo.org/glsa/202007-15 | vendor-advisory |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-list |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | |
| https://www.samba.org/samba/security/CVE-2020-107… |
Impacted products
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CVE-2020-8285 (GCVE-0-2020-8285)
Vulnerability from cvelistv5 – Published: 2020-12-14 19:39 – Updated: 2026-04-16 14:07
VLAI
EPSS
VEX
Summary
curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 14:06 UTC
CWE
- CWE-674 - Uncontrolled Recursion (CWE-674)
Assigner
References
20 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
libcurl 7.21.0 to and including 7.73.0
|
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CVE-2020-1898 (GCVE-0-2020-1898)
Vulnerability from cvelistv5 – Published: 2021-03-11 00:55 – Updated: 2024-08-04 06:53
VLAI
EPSS
VEX
Summary
The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could cause deserialization to recurse, leading to stack exhaustion. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
Severity
No CVSS data available.
CWE
- CWE-674 - Uncontrolled Recursion (CWE-674)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://hhvm.com/blog/2020/06/30/security-update.html | x_refsource_CONFIRM |
| https://github.com/facebook/hhvm/commit/1746dfb11… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HHVM |
Unaffected:
4.62.1 , < unspecified
(custom)
Affected: 4.62.0 Unaffected: 4.61.1 , < unspecified (custom) Affected: 4.61.0 Unaffected: 4.60.1 , < unspecified (custom) Affected: 4.60.0 Unaffected: 4.59.1 , < unspecified (custom) Affected: 4.59.0 Unaffected: 4.58.2 , < unspecified (custom) Affected: 4.58.0 , < unspecified (custom) Unaffected: 4.57.1 , < unspecified (custom) Affected: 4.57.0 Unaffected: 4.56.1 , < unspecified (custom) Affected: 4.33.0 , < unspecified (custom) Unaffected: 4.32.3 , < unspecified (custom) Affected: unspecified , < 4.32.3 (custom) |
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CVE-2019-0001 (GCVE-0-2019-0001)
Vulnerability from cvelistv5 – Published: 2019-01-15 21:00 – Updated: 2024-09-17 03:43
VLAI
EPSS
VEX
Title
Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).
Summary
Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.
Severity
7.5 (High)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA10900 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/106541 | vdb-entryx_refsource_BID |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
16.1 , < 16.1R7-S1
(custom)
Affected: 16.2 , < 16.2R2-S7 (custom) Affected: 17.1 , < 17.1R2-S10, 17.1R3 (custom) Affected: 17.2 , < 17.2R3 (custom) Affected: 17.3 , < 17.3R3-S1 (custom) Affected: 17.4 , < 17.4R2 (custom) Affected: 18.1 , < 18.1R3 (custom) Affected: 18.2 , < 18.2R2 (custom) |
Date Public
2019-01-09 00:00
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CVE-2018-25282 (GCVE-0-2018-25282)
Vulnerability from cvelistv5 – Published: 2026-04-26 13:19 – Updated: 2026-04-27 14:04
VLAI
EPSS
VEX
Title
Nmap 7.70 Denial of Service via XML Entity Expansion
Summary
Nmap 7.70 contains a denial of service vulnerability that allows local attackers to crash the application by processing malicious XML files with exponential entity expansion. Attackers can create a crafted XML file with nested entity definitions and open it through ZenMap's scan import functionality to cause the program to consume excessive system resources and crash.
Severity
6.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 14:04 UTC
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/45357 | exploit |
| https://nmap.org/dist/nmap-7.70-setup.exe | product |
| https://www.vulncheck.com/advisories/nmap-denial-… | third-party-advisory |
Date Public
2018-09-10 00:00
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CVE-2017-7515 (GCVE-0-2017-7515)
Vulnerability from cvelistv5 – Published: 2017-06-06 14:00 – Updated: 2024-08-05 16:04
VLAI
EPSS
VEX
Summary
poppler through version 0.55.0 is vulnerable to an uncontrolled recursion in pdfunite resulting into potential denial-of-service.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugs.freedesktop.org/show_bug.cgi?id=101208 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat, Inc. | poppler |
Affected:
through 0.55.0
|
Date Public
2017-05-27 00:00
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CVE-2017-0886 (GCVE-0-2017-0886)
Vulnerability from cvelistv5 – Published: 2017-04-05 20:00 – Updated: 2024-08-05 13:18
VLAI
EPSS
VEX
Summary
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Denial of Service attack. Due to an error in the application logic an authenticated adversary may trigger an endless recursion in the application leading to a potential Denial of Service.
Severity
No CVSS data available.
CWE
- CWE-674 - Uncontrolled Recursion (CWE-674)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://nextcloud.com/security/advisory/?id=nc-sa… | x_refsource_CONFIRM |
| https://hackerone.com/reports/174524 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nextcloud | Nextcloud Server |
Affected:
All versions before 9.0.55 and 10.0.2
|
Date Public
2017-02-05 00:00
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CVE-2016-9597 (GCVE-0-2016-9597)
Vulnerability from cvelistv5 – Published: 2018-07-30 14:00 – Updated: 2024-08-06 02:59
VLAI
EPSS
VEX
Summary
It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actually include the fix for the issue found in libxml2, making it vulnerable to a Denial of Service attack due to a Stack Overflow. This is a regression CVE for the same issue as CVE-2016-3705.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/98567 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
Date Public
2016-12-22 00:00
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GHSA-22P3-QRH9-CX32
Vulnerability from github – Published: 2022-06-29 21:51 – Updated: 2024-09-30 20:29
VLAI
Summary
URL previews of unusual or maliciously-crafted pages can crash Synapse media repositories or Synapse monoliths
Details
Impact
URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the request causing the problem, but in other cases the Synapse process may crash altogether.
It is possible to exploit this maliciously, either by malicious users on the homeserver, or by remote users sending URLs that a local user's client may automatically request a URL preview for. Remote users are not able to exploit this directly, because the URL preview endpoint is authenticated.
Am I affected?
- deployments with
url_preview_enabled: falseset in configuration are not affected. - deployments with
url_preview_enabled: trueset in configuration are affected. - deployments with no configuration value set for
url_preview_enabledare not affected, because the default isfalse.
Patches
Administrators of homeservers with URL previews enabled are advised to upgrade to v1.61.1 or higher.
Workarounds
- URL previews can be disabled in the configuration file by setting
url_preview_enabled: false. - Deployments using workers can choose to offload URL previews to one or more dedicated worker(s), ensuring that a process crash does not disrupt other functionality of Synapse.
For more information
If you have any questions or comments about this advisory, e-mail us at security@matrix.org.
Severity
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"severity": "HIGH"
},
"details": "### Impact\n\nURL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion.\nThis is sometimes recoverable and leads to an error for the request causing the problem, but in other cases the Synapse process may crash altogether.\n\nIt is possible to exploit this maliciously, either by malicious users on the homeserver, or by remote users sending URLs that a local user\u0027s client may automatically request a URL preview for.\nRemote users are not able to exploit this directly, because [the URL preview endpoint is authenticated](https://spec.matrix.org/v1.2/client-server-api/#get_matrixmediav3preview_url).\n\n### Am I affected?\n\n* deployments with `url_preview_enabled: false` set in configuration are not affected.\n* deployments with `url_preview_enabled: true` set in configuration **are** affected.\n* deployments with no configuration value set for `url_preview_enabled` are not affected, because the default is `false`.\n\n### Patches\n\nAdministrators of homeservers with URL previews enabled are advised to upgrade to v1.61.1 or higher.\n\n### Workarounds\n\n* URL previews can be disabled in the configuration file by setting `url_preview_enabled: false`.\n* Deployments using workers can choose to offload URL previews to one or more dedicated worker(s), ensuring that a process crash does not disrupt other functionality of Synapse.\n\n### For more information\n\nIf you have any questions or comments about this advisory, e-mail us at [security@matrix.org](mailto:security@matrix.org).\n",
"id": "GHSA-22p3-qrh9-cx32",
"modified": "2024-09-30T20:29:11Z",
"published": "2022-06-29T21:51:23Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-22p3-qrh9-cx32"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31052"
},
{
"type": "WEB",
"url": "https://github.com/matrix-org/synapse/commit/fa1308061802ac7b7d20e954ba7372c5ac292333"
},
{
"type": "PACKAGE",
"url": "https://github.com/matrix-org/synapse"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2022-224.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD"
},
{
"type": "WEB",
"url": "https://spec.matrix.org/v1.2/client-server-api/#get_matrixmediav3preview_url"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "URL previews of unusual or maliciously-crafted pages can crash Synapse media repositories or Synapse monoliths"
}
GHSA-23H9-M55M-C5JP
Vulnerability from github – Published: 2022-05-13 01:15 – Updated: 2023-10-25 23:16
VLAI
Summary
Jenkins Token Macro Plugin's recursive token expansion results in information disclosure and DoS
Details
Jenkins Token Macro Plugin recursively applied token expansion.
This could be used by users able to affect input to token expansion (such as change log messages), to inject additional tokens into the input, which would then be expanded, resulting in information disclosure (for example values of environment variables), or denial of service.
Most tokens have been changed to no longer recursively apply token expansion.
Severity
6.5 (Medium)
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 2.5"
},
"package": {
"ecosystem": "Maven",
"name": "org.jenkins-ci.plugins:token-macro"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2019-1003011"
],
"database_specific": {
"cwe_ids": [
"CWE-674"
],
"github_reviewed": true,
"github_reviewed_at": "2023-10-25T23:16:02Z",
"nvd_published_at": "2019-02-06T16:29:00Z",
"severity": "MODERATE"
},
"details": "Jenkins Token Macro Plugin recursively applied token expansion.\n\nThis could be used by users able to affect input to token expansion (such as change log messages), to inject additional tokens into the input, which would then be expanded, resulting in information disclosure (for example values of environment variables), or denial of service.\n\nMost tokens have been changed to no longer recursively apply token expansion.",
"id": "GHSA-23h9-m55m-c5jp",
"modified": "2023-10-25T23:16:02Z",
"published": "2022-05-13T01:15:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1003011"
},
{
"type": "WEB",
"url": "https://github.com/jenkinsci/token-macro-plugin/commit/70163600031ea8d43833e6eea928f8fa2e44f96a"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHBA-2019:0326"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHBA-2019:0327"
},
{
"type": "WEB",
"url": "https://jenkins.io/security/advisory/2019-01-28/#SECURITY-1102"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Jenkins Token Macro Plugin\u0027s recursive token expansion results in information disclosure and DoS"
}
Mitigation
Implementation
Ensure that an end condition will be reached under all logic conditions. The end condition may include checking against the depth of recursion and exiting with an error if the recursion goes too deep. The complexity of the end condition contributes to the effectiveness of this action.
Mitigation
Implementation
Increase the stack size.
CAPEC-230: Serialized Data with Nested Payloads
Applications often need to transform data in and out of a data format (e.g., XML and YAML) by using a parser. It may be possible for an adversary to inject data that may have an adverse effect on the parser when it is being processed. Many data format languages allow the definition of macro-like structures that can be used to simplify the creation of complex structures. By nesting these structures, causing the data to be repeatedly substituted, an adversary can cause the parser to consume more resources while processing, causing excessive memory consumption and CPU utilization.
CAPEC-231: Oversized Serialized Data Payloads
An adversary injects oversized serialized data payloads into a parser during data processing to produce adverse effects upon the parser such as exhausting system resources and arbitrary code execution.