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-2021-45105 (GCVE-0-2021-45105)
Vulnerability from cvelistv5 – Published: 2021-12-18 11:55 – Updated: 2026-05-29 11:45
VLAI
EPSS
VEX
Title
Apache Log4j2 does not always protect from infinite recursion in lookup evaluation
Summary
Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0, 2.12.3, and 2.3.1.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 11:45 UTC
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://logging.apache.org/log4j/2.x/security.html | x_refsource_MISC |
| https://psirt.global.sonicwall.com/vuln-detail/SN… | x_refsource_CONFIRM |
| https://www.kb.cert.org/vuls/id/930724 | third-party-advisoryx_refsource_CERT-VN |
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.openwall.com/lists/oss-security/2021/12/19/1 | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2021/dsa-5024 | vendor-advisoryx_refsource_DEBIAN |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2021121… | x_refsource_CONFIRM |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://www.oracle.com/security-alerts/cpujan2022.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Log4j2 |
Affected:
log4j-core , < 2.17.0
(custom)
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CVE-2021-43172 (GCVE-0-2021-43172)
Vulnerability from cvelistv5 – Published: 2021-11-09 16:41 – Updated: 2024-09-16 17:03
VLAI
EPSS
VEX
Title
Infinite length chain of RRDP repositories
Summary
NLnet Labs Routinator prior to 0.10.2 happily processes a chain of RRDP repositories of infinite length causing it to never finish a validation run. In RPKI, a CA can choose the RRDP repository it wishes to publish its data in. By continuously generating a new child CA that only consists of another CA using a different RRDP repository, a malicious CA can create a chain of CAs of de-facto infinite length. Routinator prior to version 0.10.2 did not contain a limit on the length of such a chain and will therefore continue to process this chain forever. As a result, the validation run will never finish, leading to Routinator continuing to serve the old data set or, if in the initial validation run directly after starting, never serve any data at all.
Severity
No CVSS data available.
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/routinator/CVE… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Routinator |
Affected:
unspecified , ≤ 0.10.1
(custom)
|
Date Public
2021-11-09 00:00
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CVE-2021-30471 (GCVE-0-2021-30471)
Vulnerability from cvelistv5 – Published: 2021-05-26 21:38 – Updated: 2024-08-03 22:32
VLAI
EPSS
VEX
Summary
A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1947441 | x_refsource_MISC |
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CVE-2021-30470 (GCVE-0-2021-30470)
Vulnerability from cvelistv5 – Published: 2021-05-26 21:37 – Updated: 2024-08-03 22:32
VLAI
EPSS
VEX
Summary
A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call among PdfTokenizer::ReadArray(), PdfTokenizer::GetNextVariant() and PdfTokenizer::ReadDataType() functions can lead to a stack overflow.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1947436 | x_refsource_MISC |
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CVE-2021-29615 (GCVE-0-2021-29615)
Vulnerability from cvelistv5 – Published: 2021-05-14 19:25 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
Stack overflow in `ParseAttrValue` with nested tensors
Summary
TensorFlow is an end-to-end open source platform for machine learning. The implementation of `ParseAttrValue`(https://github.com/tensorflow/tensorflow/blob/c22d88d6ff33031aa113e48aa3fc9aa74ed79595/tensorflow/core/framework/attr_value_util.cc#L397-L453) can be tricked into stack overflow due to recursion by giving in a specially crafted input. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.
Severity
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
< 2.1.4
Affected: >= 2.2.0, < 2.2.3 Affected: >= 2.3.0, < 2.3.3 Affected: >= 2.4.0, < 2.4.2 |
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CVE-2021-28210 (GCVE-0-2021-28210)
Vulnerability from cvelistv5 – Published: 2021-06-11 15:11 – Updated: 2024-08-03 21:40
VLAI
EPSS
VEX
Summary
An unlimited recursion in DxeCore in EDK II.
Severity
No CVSS data available.
CWE
- CWE-674 - A case of CWE-674 is occurring in MdeModulePkg, which can lead to stack and heap corruption.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.tianocore.org/show_bug.cgi?id=1743 | x_refsource_MISC |
Impacted products
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CVE-2021-27432 (GCVE-0-2021-27432)
Vulnerability from cvelistv5 – Published: 2021-05-20 15:20 – Updated: 2024-08-03 20:48
VLAI
EPSS
VEX
Summary
OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
Severity
No CVSS data available.
CWE
- CWE-674 - UNCONTROLLED RECURSION CWE-674
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | OPC Foundation OPC UA .NET Standard and OPC UA .NET Legacy |
Affected:
OPC UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy
|
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CVE-2021-21359 (GCVE-0-2021-21359)
Vulnerability from cvelistv5 – Published: 2021-03-23 01:55 – Updated: 2024-08-03 18:09
VLAI
EPSS
VEX
Title
Denial of Service in Page Error Handling
Summary
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.25, 10.4.14, 11.1.1 requesting invalid or non-existing resources via HTTP triggers the page error handler which again could retrieve content to be shown as error message from another page. This leads to a scenario in which the application is calling itself recursively - amplifying the impact of the initial attack until the limits of the web server are exceeded. This is fixed in versions 9.5.25, 10.4.14, 11.1.1.
Severity
5.9 (Medium)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://packagist.org/packages/typo3/cms-core | x_refsource_MISC |
| https://github.com/TYPO3/TYPO3.CMS/security/advis… | x_refsource_CONFIRM |
| https://typo3.org/security/advisory/typo3-core-sa… | x_refsource_MISC |
Impacted products
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CVE-2021-3997 (GCVE-0-2021-3997)
Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 17:16
VLAI
EPSS
VEX
Summary
A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.
Severity
No CVSS data available.
CWE
- CWE-674 - - Uncontrolled Recursion
Assigner
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CVE-2021-3530 (GCVE-0-2021-3530)
Vulnerability from cvelistv5 – Published: 2021-06-02 14:31 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Summary
A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.
Severity
No CVSS data available.
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1956423 | x_refsource_MISC |
| https://src.fedoraproject.org/rpms/binutils/blob/… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021071… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202208-30 | vendor-advisoryx_refsource_GENTOO |
Impacted products
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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.