Bug 2573119 (CVE-2026-91094) - CVE-2026-91094 dpkg: dpkg: Arbitrary file modification or deletion via symlink traversal in quilt packages
Summary: CVE-2026-91094 dpkg: dpkg: Arbitrary file modification or deletion via symlin...
Keywords:
Status: NEW
Alias: CVE-2026-91094
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-13 14:11 UTC by OSIDB Bzimport
Modified: 2026-11-13 14:19 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-11-13 14:11:18 UTC 
A directory traversal bug was discovered when unpacking 3.0 (quilt) source packages, where the packaging tarball could contain the quilt database directory (.pc) with attacker controlled symlinks, where that in combination with patches that would fail to apply, could be used to make the code used to restore the backup files to either modify or remove the files pointed to by the attacker controlled symlinks.
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