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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-6494 Detail

Disputed     

Description

A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_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 patch is named 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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 4.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d1d7cf773a VulDB
https://github.com/sparklemotion/nokogiri/issues/3508 VulDB
https://github.com/sparklemotion/nokogiri/pull/3524 VulDB
https://github.com/user-attachments/files/19825279/nokogiri_crash_2.txt VulDB
https://vuldb.com/?ctiid.313611 VulDB
https://vuldb.com/?id.313611 VulDB
https://vuldb.com/?submit.601006 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-122 Heap-based Buffer Overflow VulDB  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-6494
NVD Published Date:
06/22/2025
NVD Last Modified:
06/30/2025
Source:
VulDB