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CWE-674
Uncontrolled Recursion
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
CVE-2026-25971 (GCVE-0-2026-25971)
Vulnerability from cvelistv5 – Published: 2026-02-24 01:39 – Updated: 2026-06-23 15:49
VLAI
EPSS
VEX
Title
ImageMagick's MSL: Stack overflow in ProcessMSLScript
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, Magick fails to check for circular references between two MSLs, leading to a stack overflow. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
>= 7.0.0, < 7.1.2-15
Affected: < 6.9.13-40 |
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CVE-2026-26209 (GCVE-0-2026-26209)
Vulnerability from cvelistv5 – Published: 2026-03-23 18:53 – Updated: 2026-03-24 18:35
VLAI
EPSS
VEX
Title
cbor2 has a Denial of Service via Uncontrolled Recursion in cbor2.loads
Summary
cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) serialization format. Versions prior to 5.9.0 are vulnerable to a Denial of Service (DoS) attack caused by uncontrolled recursion when decoding deeply nested CBOR structures. This vulnerability affects both the pure Python implementation and the C extension `_cbor2`. The C extension relies on Python's internal recursion limits `Py_EnterRecursiveCall` rather than a data-driven depth limit, meaning it still raises `RecursionError` and crashes the worker process when the limit is hit. While the library handles moderate nesting levels, it lacks a hard depth limit. An attacker can supply a crafted CBOR payload containing approximately 100,000 nested arrays `0x81`. When `cbor2.loads()` attempts to parse this, it hits the Python interpreter's maximum recursion depth or exhausts the stack, causing the process to crash with a `RecursionError`. Because the library does not enforce its own limits, it allows an external attacker to exhaust the host application's stack resource. In many web application servers (e.g., Gunicorn, Uvicorn) or task queues (Celery), an unhandled `RecursionError` terminates the worker process immediately. By sending a stream of these small (<100KB) malicious packets, an attacker can repeatedly crash worker processes, resulting in a complete Denial of Service for the application. Version 5.9.0 patches the issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/agronholm/cbor2/security/advis… | x_refsource_CONFIRM |
| https://github.com/agronholm/cbor2/pull/275 | x_refsource_MISC |
| https://github.com/agronholm/cbor2/commit/e61a5f3… | x_refsource_MISC |
| https://github.com/agronholm/cbor2/releases/tag/5.9.0 | x_refsource_MISC |
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CVE-2026-2641 (GCVE-0-2026-2641)
Vulnerability from cvelistv5 – Published: 2026-02-18 05:32 – Updated: 2026-02-23 10:16
VLAI
EPSS
VEX
Title
universal-ctags V Language v.c parseExprList recursion
Summary
A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.346397 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.346397 | signaturepermissions-required |
| https://vuldb.com/?submit.752768 | third-party-advisory |
| https://github.com/universal-ctags/ctags/issues/4369 | issue-tracking |
| https://github.com/oneafter/0116/blob/main/poc.v | exploit |
| https://github.com/universal-ctags/ctags/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| universal-ctags | ctags |
Affected:
6.2.0
Affected: 6.2.1 |
Credits
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CVE-2026-27014 (GCVE-0-2026-27014)
Vulnerability from cvelistv5 – Published: 2026-02-19 20:45 – Updated: 2026-02-20 20:04
VLAI
EPSS
VEX
Title
NanZip has ROMFS Archive Infinite Loop / Stack Overflow
Summary
NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular `NextOffset` chains cause an infinite loop, and deeply nested directories cause unbounded recursion (stack overflow) in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/M2Team/NanaZip/security/adviso… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-2887 (GCVE-0-2026-2887)
Vulnerability from cvelistv5 – Published: 2026-02-21 21:02 – Updated: 2026-02-23 19:30 X_Open Source
VLAI
EPSS
VEX
Title
aardappel lobster idents.h TypeName recursion
Summary
A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347181 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347181 | signaturepermissions-required |
| https://vuldb.com/?submit.755026 | third-party-advisory |
| https://github.com/aardappel/lobster/issues/397 | issue-tracking |
| https://github.com/aardappel/lobster/issues/397#i… | issue-tracking |
| https://github.com/oneafter/0204/blob/main/lob3/r… | exploit |
| https://github.com/aardappel/lobster/commit/8ba49… | patch |
| https://github.com/aardappel/lobster/releases/tag… | patch |
| https://github.com/aardappel/lobster/ | product |
Impacted products
Credits
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CVE-2026-29076 (GCVE-0-2026-29076)
Vulnerability from cvelistv5 – Published: 2026-03-07 16:08 – Updated: 2026-03-09 18:25
VLAI
EPSS
VEX
Title
cpp-httplib: Stack Overflow Denial of Service (DoS) via std::regex in multipart filename parsing
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.37.0, cpp-httplib uses std::regex (libstdc++) to parse RFC 5987 encoded filename* values in multipart Content-Disposition headers. The regex engine in libstdc++ implements backtracking via deep recursion, consuming one stack frame per input character. An attacker can send a single HTTP POST request with a crafted filename* parameter that causes uncontrolled stack growth, resulting in a stack overflow (SIGSEGV) that crashes the server process. This issue has been patched in version 0.37.0.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/security/a… | x_refsource_CONFIRM |
| https://github.com/yhirose/cpp-httplib/commit/de2… | x_refsource_MISC |
| https://github.com/yhirose/cpp-httplib/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yhirose | cpp-httplib |
Affected:
< 0.37.0
|
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CVE-2026-30922 (GCVE-0-2026-30922)
Vulnerability from cvelistv5 – Published: 2026-03-18 02:29 – Updated: 2026-05-01 16:21
VLAI
EPSS
VEX
Title
pyasn1 Vulnerable to Denial of Service via Unbounded Recursion
Summary
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of Service (DoS) attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing thousands of nested `SEQUENCE` (`0x30`) or `SET` (`0x31`) tags with "Indefinite Length" (`0x80`) markers. This forces the decoder to recursively call itself until the Python interpreter crashes with a `RecursionError` or consumes all available memory (OOM), crashing the host application. This is a distinct vulnerability from CVE-2026-23490 (which addressed integer overflows in OID decoding). The fix for CVE-2026-23490 (`MAX_OID_ARC_CONTINUATION_OCTETS`) does not mitigate this recursion issue. Version 0.6.3 fixes this specific issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
4 references
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CVE-2026-30980 (GCVE-0-2026-30980)
Vulnerability from cvelistv5 – Published: 2026-03-10 18:07 – Updated: 2026-03-10 19:32
VLAI
EPSS
VEX
Title
iccDEV has a stack overflow in CIccBasicStructFactory::CreateStruct()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a stack overflow in CIccBasicStructFactory::CreateStruct() causing uncontrolled recursion/stack exhaustion and crash. This vulnerability is fixed in 2.3.1.5.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.5
|
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CVE-2026-31899 (GCVE-0-2026-31899)
Vulnerability from cvelistv5 – Published: 2026-03-13 19:38 – Updated: 2026-03-16 13:39
VLAI
EPSS
VEX
Title
CairoSVG vulnerable to Exponential DoS via recursive <use> element amplification
Summary
CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive <use> element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Kozea/CairoSVG/security/adviso… | x_refsource_CONFIRM |
| https://github.com/Kozea/CairoSVG/commit/6dde8685… | x_refsource_MISC |
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CVE-2026-32141 (GCVE-0-2026-32141)
Vulnerability from cvelistv5 – Published: 2026-03-12 18:08 – Updated: 2026-07-09 12:09
VLAI
EPSS
VEX
Title
flatted: Unbounded recursion DoS in parse() revive phase
Summary
flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow that crashes the Node.js process. This vulnerability is fixed in 3.4.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://github.com/WebReflection/flatted/security… | x_refsource_CONFIRM |
| https://github.com/WebReflection/flatted/pull/88 | x_refsource_MISC |
| https://github.com/WebReflection/flatted/commit/7… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-32141 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2447083 | issue-trackingx_refsource_REDHAT |
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| https://access.redhat.com/errata/RHSA-2026:13826 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:36651 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:5807 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:21772 | vendor-advisoryx_refsource_REDHAT |
Impacted products
31 products
| Vendor | Product | Version | |
|---|---|---|---|
| WebReflection | flatted |
Affected:
< 3.4.0
|
|
| Red Hat | Cluster Observability Operator 1.5.0 |
cpe:/a:redhat:cluster_observability_operator:1.5::el9 |
|
| Red Hat | Red Hat Developer Hub 1.8 |
cpe:/a:redhat:rhdh:1.8::el9 |
|
| Red Hat | Red Hat Developer Hub 1.9 |
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat Edge Manager 1.0 |
cpe:/a:redhat:edge_manager:1.0::el9 |
|
| Red Hat | Red Hat OpenShift AI 2.16 |
cpe:/a:redhat:openshift_ai:2.16::el8 |
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 |
cpe:/a:redhat:openshift_devspaces:3.28::el9 |
|
| Red Hat | Logging Subsystem for Red Hat OpenShift |
cpe:/a:redhat:logging:5 |
|
| Red Hat | Red Hat 3scale API Management Platform 2 |
cpe:/a:redhat:red_hat_3scale_amp:2 |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat build of Apicurio Registry 2 |
cpe:/a:redhat:service_registry:2 |
|
| Red Hat | Red Hat Data Grid 8 |
cpe:/a:redhat:jboss_data_grid:8 |
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7 |
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7 |
|
| Red Hat | streams for Apache Kafka 2 |
cpe:/a:redhat:amq_streams:2 |
|
| Red Hat | streams for Apache Kafka 3 |
cpe:/a:redhat:amq_streams:3 |
|
| Red Hat | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7 |
|
| Red Hat | Red Hat build of OptaPlanner 8 |
cpe:/a:redhat:optaplanner:::el6 |
|
| Red Hat | Red Hat Directory Server 11 |
cpe:/a:redhat:directory_server:11 |
|
| Red Hat | Red Hat Directory Server 12 |
cpe:/a:redhat:directory_server:12 |
|
| Red Hat | Red Hat Directory Server 13 |
cpe:/a:redhat:directory_server:13 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 |
cpe:/a:redhat:jboss_enterprise_application_platform:7 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat Process Automation 7 |
cpe:/a:redhat:jboss_enterprise_bpms_platform:7 |
|
| Red Hat | Red Hat Quay 3 |
cpe:/a:redhat:quay:3 |
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"value": "flatted is a circular JSON parser. Prior to 3.4.0, flatted\u0027s parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow that crashes the Node.js process. This vulnerability is fixed in 3.4.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-674",
"description": "CWE-674: Uncontrolled Recursion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-12T18:08:09.634Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/WebReflection/flatted/security/advisories/GHSA-25h7-pfq9-p65f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/WebReflection/flatted/security/advisories/GHSA-25h7-pfq9-p65f"
},
{
"name": "https://github.com/WebReflection/flatted/pull/88",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/WebReflection/flatted/pull/88"
},
{
"name": "https://github.com/WebReflection/flatted/commit/7eb65d857e1a40de11c47461cdbc8541449f0606",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/WebReflection/flatted/commit/7eb65d857e1a40de11c47461cdbc8541449f0606"
}
],
"source": {
"advisory": "GHSA-25h7-pfq9-p65f",
"discovery": "UNKNOWN"
},
"title": "flatted: Unbounded recursion DoS in parse() revive phase"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-32141",
"datePublished": "2026-03-12T18:08:09.634Z",
"dateReserved": "2026-03-10T22:19:36.546Z",
"dateUpdated": "2026-07-09T12:09:41.555Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Phase: Implementation
Description:
- 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
Phase: Implementation
Description:
- 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.