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.
616 vulnerabilities reference this CWE, most recent first.
CVE-2025-5302 (GCVE-0-2025-5302)
Vulnerability from cvelistv5 – Published: 2025-08-25 15:03 – Updated: 2025-08-25 15:41
VLAI
EPSS
VEX
Title
Denial of Service (DOS) in JSONReader in run-llama/llama_index
Summary
A denial of service vulnerability exists in the JSONReader component of the run-llama/llama_index repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth limit. This results in high resource consumption and potential crashes of the Python process. The issue is resolved in version 0.12.38.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| run-llama | run-llama/llama_index |
Affected:
unspecified , < 0.12.38
(custom)
|
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CVE-2025-4565 (GCVE-0-2025-4565)
Vulnerability from cvelistv5 – Published: 2025-06-16 14:50 – Updated: 2025-06-16 15:39
VLAI
EPSS
VEX
Title
Unbounded recursion in Python Protobuf
Summary
Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by exceeding the Python recursion limit. This can result in a Denial of service by crashing the application with a RecursionError. We recommend upgrading to version =>6.31.1 or beyond commit 17838beda2943d08b8a9d4df5b68f5f04f26d901
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protocolbuffers | Python-Protobuf |
Affected:
0 , < 4.25.8
(semver)
Affected: 0 , < 5.29.5 (semver) Affected: 0 , < 6.31.1 (semver) |
Date Public
2025-05-12 22:00
Credits
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CVE-2025-1752 (GCVE-0-2025-1752)
Vulnerability from cvelistv5 – Published: 2025-05-10 13:21 – Updated: 2025-10-15 12:50
VLAI
EPSS
VEX
Title
Denial of Service in run-llama/llama_index
Summary
A Denial of Service (DoS) vulnerability has been identified in the KnowledgeBaseWebReader class of the run-llama/llama_index project, affecting version ~ latest(v0.12.15). The vulnerability arises due to inappropriate secure coding measures, specifically the lack of proper implementation of the max_depth parameter in the get_article_urls function. This allows an attacker to exhaust Python's recursion limit through repeated function calls, leading to resource consumption and ultimately crashing the Python process.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| run-llama | run-llama/llama_index |
Affected:
unspecified , < 0.3.6
(custom)
|
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CVE-2025-1492 (GCVE-0-2025-1492)
Vulnerability from cvelistv5 – Published: 2025-02-20 01:30 – Updated: 2026-03-27 13:56
VLAI
EPSS
VEX
Title
Uncontrolled Recursion in Wireshark
Summary
Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.wireshark.org/security/wnpa-sec-2025-… | |
| https://gitlab.com/wireshark/wireshark/-/issues/20373 | issue-trackingpermissions-required |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.4.0 , < 4.4.4
(semver)
Affected: 4.2.0 , < 4.2.11 (semver) |
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CVE-2024-58264 (GCVE-0-2024-58264)
Vulnerability from cvelistv5 – Published: 2025-07-27 00:00 – Updated: 2025-07-28 15:06
VLAI
EPSS
VEX
Summary
The serde-json-wasm crate before 1.0.1 for Rust allows stack consumption via deeply nested JSON data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CosmWasm | serde-json-wasm |
Affected:
0 , < 0.5.2
(semver)
Affected: 1.0.0 , < 1.0.1 (semver) |
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CVE-2024-58103 (GCVE-0-2024-58103)
Vulnerability from cvelistv5 – Published: 2025-03-16 00:00 – Updated: 2025-03-17 15:50
VLAI
EPSS
VEX
Summary
Square Wire before 5.2.0 does not enforce a recursion limit on nested groups in ByteArrayProtoReader32.kt and ProtoReader.kt.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
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CVE-2024-58102 (GCVE-0-2024-58102)
Vulnerability from cvelistv5 – Published: 2025-03-11 00:00 – Updated: 2025-03-11 13:24
VLAI
EPSS
VEX
Summary
An issue was discovered in Datalust Seq before 2024.3.13545. An insecure default parsing depth limit allows stack consumption when parsing user-supplied queries containing deeply nested expressions.
Severity
SSVC
Exploitation: none
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Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
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CVE-2024-57257 (GCVE-0-2024-57257)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 19:32
VLAI
EPSS
VEX
Summary
A stack consumption issue in sqfs_size in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with deep symlink nesting.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
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CVE-2024-54731 (GCVE-0-2024-54731)
Vulnerability from cvelistv5 – Published: 2025-01-08 00:00 – Updated: 2025-01-08 14:41
VLAI
EPSS
VEX
Summary
cpdf through 2.8 allows stack consumption via a crafted PDF document.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Coherent Graphics | CPDF |
Affected:
0 , ≤ 2.8
(custom)
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CVE-2024-49363 (GCVE-0-2024-49363)
Vulnerability from cvelistv5 – Published: 2024-12-18 19:24 – Updated: 2024-12-19 16:46
VLAI
EPSS
VEX
Title
Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey
Summary
Misskey is an open source, federated social media platform. In affected versions FileServerService (media proxy) in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed denial-of-service via a maliciously crafted note. FileServerService.prototype.proxyHandler did not check incoming requests are not coming from another proxy server. An attacker can execute an amplified denial-of-service by sending a nested proxy request to the server and end the request with a malicious redirect back to another nested proxy request.
Leading to unbounded recursion until the original request is timed out. This issue has been addressed in version 2024.11.0-alpha.3. Users are advised to upgrade. Users unable to upgrade may configure the reverse proxy to block requests to the proxy with an empty User-Agent header or one containing Misskey/. An attacker can not effectively modify the User-Agent header without making another request to the server.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/misskey-dev/misskey/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| misskey-dev | misskey |
Affected:
< CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
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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.