CVE - CVE-2025-6490

CVE-ID
CVE-2025-6490	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:Submit #601005 \| sparklemotion nokogiri nokogiri v1.18.7 (commit a024cff) Heap-based Buffer Overflow URL:https://vuldb.com/?submit.601005 MISC:VDB-313601 \| CTI Indicators (IOB, IOC, IOA) URL:https://vuldb.com/?ctiid.313601 MISC:VDB-313601 \| sparklemotion nokogiri hashmap.c hashmap_set_with_hash heap-based overflow URL:https://vuldb.com/?id.313601 MISC:https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d1d7cf773a URL:https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d1d7cf773a MISC:https://github.com/sparklemotion/nokogiri/issues/3500 URL:https://github.com/sparklemotion/nokogiri/issues/3500 MISC:https://github.com/sparklemotion/nokogiri/pull/3524 URL:https://github.com/sparklemotion/nokogiri/pull/3524 MISC:https://github.com/user-attachments/files/19625432/nokogiri_crash.txt URL:https://github.com/user-attachments/files/19625432/nokogiri_crash.txt
Assigning CNA
VulDB
Date Record Created
20250621	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250621)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)