Medium severity · published Oct 21, 2026
CVE-2026-114095
Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object
6.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DU
dulwich · jelmer
before 1.2.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114095
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114095
github.com
https://github.com/jelmer/dulwich/security/advisories/GHSA-35mr-4567-66vg
www.vulncheck.com
https://www.vulncheck.com/advisories/dulwich-before-1.2.9-infinite-loop-dos-via-pack-resolve-object
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