CVE-2026-110264

Integer Overflow or Wraparound in GitLab

CVE-2026-110264 is fixed in ruby3.3 on 1 platform by DEBIAN-CVE-2026-110264 (version 3.3.13-0+deb13u1), released November 8, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

10.0

Critical

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0135

71st percentile

An issue has been discovered in GitLab CE/EE affecting all versions from 7.0 before 18.11.13, 19.0 before 19.0.10, 19.1 before 19.1.9, 19.2 before 19.2.9, 19.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server due to integer overflow when compiling a specially crafted regular expression.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
ruby3.3 · Debian 13.5 (trixie)	3.3.13-0+deb13u1	DEBIAN-CVE-2026-110264	Nov 8, 2026

Details

Published
October 22, 2026
Weakness
Integer Overflow or Wraparound
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-110264

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