CVE-2025-6490

LOW EPSS 4.5%
Published Jun 22, 20251y ago · Modified Jun 17, 20261w ago
1.9 CVSS 4.0
Low
Find Similar
Published Jun 22, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
4.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122

References 7

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.