A flaw was found in dash. The printf builtin reserves four bytes before converting a Unicode \u or \U escape, but the multi-byte token can need five or six bytes. A local user who can supply such an escape to dash printf or echo %b, including through dash -c and a positional argu...
Product
debian/dash vulnerabilities
2 published CVES affecting debian/dash, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 2
- Critical
- 0
- High
- 0
- Medium
- 2
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest debian/dash CVEs
Newest publication first
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MediumCVSS 4.0
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CVE-2026-102473 Dash: dash: super-polynomial backtracking in pmatch when libc fnmatch is disabled
PublishedMediumCVSS 5.5A 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 co...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.