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.
Last checked: 2026-09-30 21:40 UTC
No exploitation evidence · CISA Coordinator (Assessed 2026-09-30 19:42 UTC)
Fix evidence last checked: 2026-09-29 10:30 UTC