CVE-2025-6490

A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833 and classified as problematic. This issue affects the function hashmap_set_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The identifier of the patch is ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is recommended to apply a patch to fix this issue. The project maintainer explains that the affected code was merged into the main branch but the commit never appeared in an official release.

• CWE-119
• CWE-122

• https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d1d7cf773a
• https://github.com/sparklemotion/nokogiri/issues/3500
• https://github.com/sparklemotion/nokogiri/pull/3524
• https://github.com/user-attachments/files/19625432/nokogiri_crash.txt
• https://vuldb.com/?ctiid.313601
• https://vuldb.com/?id.313601
• https://vuldb.com/?submit.601005

Published

Jun 22, 2025

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2025-64893DNG SDK versions 1.7.0 and earlier are affected by an Out-of…7.1
• CVE-2025-64894DNG SDK versions 1.7.0 and earlier are affected by an Intege…5.5
• CVE-2025-64896Creative Cloud Desktop versions 6.4.0.361 and earlier are af…5.5
• CVE-2025-64897ColdFusion versions 2025.4, 2023.16, 2021.22 and earlier are…5.6
• CVE-2025-64898ColdFusion versions 2025.4, 2023.16, 2021.22 and earlier are…5.3
• CVE-2025-64899Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.2…7.8
• CVE-2025-6491In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.…5.9
• CVE-2025-6492A vulnerability has been found in MarkText up to 0.17.1 and …5.5
• CVE-2025-6493A weakness has been identified in CodeMirror up to 5.65.20. …5.5
• CVE-2025-6494A vulnerability was found in sparklemotion nokogiri c29c9209…3.3
• CVE-2025-6495The Bricks theme for WordPress is vulnerable to blind SQL In…7.5
• CVE-2025-6496A vulnerability was found in HTACG tidy-html5 5.8.0. It has …3.3