CVE-2025-6494 Information

Description

A vulnerability was found in sparklemotion nokogiri up to 1.18.7. 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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Reference

https://github.com/sparklemotion/nokogiri/issues/3508 https://github.com/user-attachments/files/19825279/nokogiri_crash_2.txt https://vuldb.com/?ctiid.313611 https://vuldb.com/?id.313611 https://vuldb.com/?submit.601006

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

3.3

CNNVD-202506-2926 (Published: 2025-06-22)

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