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CVE-2026-110264

Updated on 22 Oct 2026

Severity

10.0 Critical severity

Details

CVSS score
10.0
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

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.

Details

Affected product:
AlmaLinux 9.2 ESU , Alpine Linux 3.18 ELS , Alpine Linux 3.23 , Alpine Linux 3.24 , Amazon Linux 2 ELS , CentOS 7 ELS , CloudLinux 7 ELS , Debian 10 , Debian 10 ELS , Debian 11 , Debian 11 ELS , Debian 12 , Debian 13 , EL 10 , EL 7 , EL 8 , EL 9 , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , TuxCare 9.8 ESU , Ubuntu 16.04 , Ubuntu 16.04 ELS , Ubuntu 18.04 , Ubuntu 18.04 ELS , Ubuntu 20.04 , Ubuntu 20.04 ELS , Ubuntu 22.04 , Ubuntu 24.04 , Ubuntu 26.04
Affected packages:
ruby @ 3.0.7 (+125 more)

Fixes