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EUVDEUVD-2025-18911

| CVE-2025-6490 LOW
Buffer Overflow (CWE-119)
2025-06-22 cna@vuldb.com
1.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.9 LOW
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
Ubuntu
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

5
CVSS changed
Apr 29, 2026 - 01:11 NVD
3.3 (LOW) 1.9 (LOW)
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 21:55 euvd
EUVD-2025-18911
Analysis Generated
Mar 15, 2026 - 21:55 vuln.today
CVE Published
Jun 22, 2025 - 19:15 nvd
LOW 3.3

DescriptionCVE.org

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.

Analysis

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.

Vendor StatusVendor

Ubuntu

Priority: Medium
ruby-nokogiri
Release Status Version
bionic not-affected code not present
focal not-affected code not present
jammy not-affected code not present
noble not-affected code not present
oracular not-affected code not present
plucky not-affected code not present
trusty not-affected code not present
upstream not-affected code not present
xenial not-affected code not present

Debian

ruby-nokogiri
Release Status Fixed Version Urgency
bullseye fixed 1.11.1+dfsg-2 -
bullseye (security) fixed 1.11.1+dfsg-2+deb11u1 -
bookworm fixed 1.13.10+dfsg-2 -
trixie fixed 1.18.2+dfsg-1 -
forky fixed 1.18.10+dfsg-3 -
sid fixed 1.19.1+dfsg-1 -
(unstable) not-affected - -

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EUVD-2025-18911 vulnerability details – vuln.today

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