CVE-2026-114095CWE-835

CVE-2026-114095

Medium · published October 21, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · 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
EPSS
0.00254 · 16.0th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-10-21T05:17Z
References (2)
https://github.com/jelmer/dulwich/security/advisories/GHSA-35mr-4567-66vg · [email protected]https://www.vulncheck.com/advisories/dulwich-before-1.2.9-infinite-loop-dos-via-pack-resolve-object · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 21 OCT 00:36Z
    Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object
    cvelistv5
  • 21 OCT 00:36Z
    Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object
    cvelistv5