Vulnerability Description
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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d
- 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
FAQ
What is CVE-2025-6490?
CVE-2025-6490 is a vulnerability with a CVSS score of 3.3 (LOW). 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-pars...
How severe is CVE-2025-6490?
CVE-2025-6490 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6490?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.