Source: unearth Version: 0.18.2-1 Severity: important Tags: security upstream Forwarded: https://github.com/frostming/unearth/issues/180 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for unearth. CVE-2026-73030[0]: | unearth through 0.18.2, fixed in commit 6c78164, contains a path | traversal vulnerability in the is_within_directory function that | fails to normalize paths before validation, allowing ../ sequences | to bypass directory containment checks. Attackers can supply | malicious tar archives with symlink members or traversal sequences | to write files to arbitrary filesystem locations accessible to the | process. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-73030 https://www.cve.org/CVERecord?id=CVE-2026-73030 [1] https://github.com/frostming/unearth/issues/180 [2] https://github.com/frostming/unearth/pull/181 [3] https://github.com/frostming/unearth/commit/6c78164e7bfa28b8b3d6f247b87e560692e3c8ba Please adjust the affected versions in the BTS as needed. Regards, Salvatore

