CVE-2026-102473

MEDIUMCVSS 5.5

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.

Timeline

Published:September 29th, 2026 10:17 AM

Last modified:November 5th, 2026 5:17 PM

CVSS Scoring

CVSS v3: 5.5 (MEDIUM)

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

Weaknesses (CWE)

CWE-1333

References & Reports

Advisories, patches, and third-party reports

https://access.redhat.com/security/cve/CVE-2026-102473
https://bugzilla.redhat.com/show_bug.cgi?id=2543005

Source: NIST NVD · Data may lag official sources by up to one minute