What is CVE-2026-114095?

CVE-2026-114095 is a medium-severity vulnerability in Jelmer Dulwich, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-10-21.

How severe is CVE-2026-114095?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Jelmer Dulwich

CVE-2026-114095

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.

Published 2026-10-21 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Jelmer Dulwich

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/jelmer/dulwich/security/advisories/GHSA-35mr-4567-66vg (vendor-advisory)
www.vulncheck.com/advisories/dulwich-before-1.2.9-infinite-loop-dos-via-pack-re… (third-party-advisory)

Frequently asked questions

What is CVE-2026-114095?: CVE-2026-114095 is a medium-severity vulnerability in Jelmer Dulwich, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-10-21.
How severe is CVE-2026-114095?: Medium severity. CVSS v3 base score is 6.5 out of 10.