Bug 2558005 (CVE-2026-114095) - CVE-2026-114095 dulwich: dulwich: Denial of Service via self-referential packfile delta objects
Summary: CVE-2026-114095 dulwich: dulwich: Denial of Service via self-referential pack...
Keywords:
Status: NEW
Alias: CVE-2026-114095
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-21 00:59 UTC by OSIDB Bzimport
Modified: 2026-10-21 14:00 UTC (History)
32 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-10-21 00:59:30 UTC 
Dulwich before 1.2.9 contains a denial of service vulnerability in Pack.resolve_object that allows attackers to cause infinite recursion via self-referential OFS_DELTA objects. Attackers can supply a malicious packfile with an OFS_DELTA delta_offset of 0 to exhaust CPU during clone, fetch, or cat-file operations.
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