CVE-2026-114095
Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 21, 2026
- Updated
- Oct 21, 2026
- Reserved
- Oct 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Affected Products
| Product | Versions |
|---|---|
dulwichjelmer |
|
References
- GitHub Security Advisory (GHSA-35mr-4567-66vg)vendor-advisory
- VulnCheck Advisory: Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_objectthird-party-advisory
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