CVE-2026-102473

Published: Sep 29, 2026Modified: Sep 30, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: secalert@redhat.com (Secondary)

Description

A flaw was found in dash. When built without libc fnmatch, the internal pmatch() matcher implements * by unbounded recursion over candidate positions. A local user who can plant filenames, or otherwise feed that matcher, can make a short multi-star pattern such as *.*.*.*.*.tar.gz consume excessive CPU.

Related CWEs

CWE-1333

Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (2)

https://access.redhat.com/security/cve/CVE-2026-102473

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2543005

Source: secalert@redhat.com

Timeline

No history available yet.