Bug 2558632 (CVE-2026-110264) - CVE-2026-110264 ruby: integer overflow issue in regular expression compiler
Summary: CVE-2026-110264 ruby: integer overflow issue in regular expression compiler
Keywords:
Status: NEW
Alias: CVE-2026-110264
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
urgent
urgent
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-22 00:53 UTC by OSIDB Bzimport
Modified: 2026-11-03 17:13 UTC (History)
34 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-10-22 00:53:47 UTC 
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.
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