{"id":"CVE-2026-114095","title":"Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object","summary":"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 …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-835"],"vendor":"jelmer","product":"dulwich","affected":["dulwich < 1.2.9"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-21T14:40:35.598285Z"},"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T15:49:44.928Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114095","references":[{"url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-35mr-4567-66vg","label":"GitHub Security Advisory (GHSA-35mr-4567-66vg)"},{"url":"https://www.vulncheck.com/advisories/dulwich-before-1.2.9-infinite-loop-dos-via-pack-resolve-object","label":"VulnCheck Advisory: Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object"},{"url":"https://github.com/jelmer/dulwich/commit/d06ffc3e1aff0ea0a32094debead891be0083eb7"},{"url":"https://github.com/jelmer/dulwich"},{"url":"https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.9"}],"tags":["cve.org","osv","pip"],"epss":0.00311,"epssPercentile":0.23763,"aliases":["GHSA-35mr-4567-66vg"],"ecosystem":"pip","patched":["dulwich 1.2.9"],"ingestedAt":"2026-10-21T01:37:08.017Z","slug":"CVE-2026-114095","body":"## Overview\n\nDulwich 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.\n\n## Affected\n\n- `dulwich < 1.2.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-114095)\n\nAffected packages:\n\n- `dulwich < 1.2.9`\n\nPatched in:\n\n- `dulwich 1.2.9`\n\nSource: https://osv.dev/vulnerability/GHSA-35mr-4567-66vg","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}