{"id":"CVE-2026-109350","title":"Gitoxide gix-pack before 0.75.0 contains a denial of service vulnerability that allows malicious remotes to crash fetch operations by sending crafted thin-pack OFS_DELTA entries","summary":"Gitoxide gix-pack before 0.75.0 contains a denial of service vulnerability that allows malicious remotes to crash fetch operations by sending crafted thin-pack OFS_DELTA entries. Attackers can serve a thin pack with a REF_DELTA referenci…","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","cwe":["CWE-617","CWE-1285"],"vendor":"GitoxideLabs","product":"gix-pack","affected":["gix-pack < 0.75.0"],"patched":["hardened_images"],"published":"2026-10-12","updated":"2026-10-16","sourceUpdated":"2026-10-16T17:27:24.847","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109350","references":[{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-mpf5-465h-mr53","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gitoxide-gix-pack-before-0.75.0-denial-of-service-via-ofs-delta-base-distance","label":"disclosure@vulncheck.com"},{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-mpf5-465h-mr53","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109350.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-109350"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2549792"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109350"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109350"},{"url":"https://access.redhat.com/errata/RHSA-2026:83849"},{"url":"https://access.redhat.com/errata/RHSA-2026:83879"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"epss":0.00321,"epssPercentile":0.24962,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T17:38:38.850087Z"},"ingestedAt":"2026-10-12T18:00:08.210Z","slug":"CVE-2026-109350","body":"## Overview\n\nGitoxide gix-pack before 0.75.0 contains a denial of service vulnerability that allows malicious remotes to crash fetch operations by sending crafted thin-pack OFS_DELTA entries. Attackers can serve a thin pack with a REF_DELTA referencing an existing object followed by an OFS_DELTA whose base_distance exceeds pack_offset, triggering a panic in LookupRefDeltaObjectsIter that aborts the fetch process.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:83849** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:83849)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109350.json)\n- **RHSA-2026:83879** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:83879)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221034,"id":"CVE-2026-109350","ts":1792027016097,"field":"exploit_available","old":"false","new":"true"}]}