CVE-2026-114095
Published:October 21, 2026
Updated:October 21, 2026
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 Packages
dulwich (CONDA):
Affected version(s) >=1.0.0 <1.2.10Fix Suggestion:
Update to version 1.2.10https://github.com/jelmer/dulwich.git (GITHUB):
Affected version(s) >=dulwich-1.0.0 <dulwich-1.2.9Fix Suggestion:
Update to version dulwich-1.2.9dulwich (PYTHON):
Affected version(s) >=1.0.0 <1.2.9Fix Suggestion:
Update to version 1.2.9Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')