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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-114095

Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

jelmer dulwich

Default version status: unaffected

  • 0 to < 1.2.9affected
  • 1.2.9unaffected
pkg:pypi/dulwich

References