{"id":"CVE-2026-79607","title":"During Xenstore live update the state record for a Xenstore watch with\nspecified watch depth is written with two bytes missing","summary":"During Xenstore live update the state record for a Xenstore watch with\nspecified watch depth is written with two bytes missing.  This results\nin an inconsistent state when reading the state back in the new Xenstore,\ncausing a crash of Xe…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-119"],"vendor":"Xen","product":"Xen","affected":["Xen"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:43.780","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79607","references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-514.html","label":"security@xen.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/13/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://xenbits.xen.org/xsa/advisory-514.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00123,"epssPercentile":0.02076,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T18:01:08.421555Z"},"ingestedAt":"2026-10-13T16:35:46.744Z","slug":"CVE-2026-79607","body":"## Overview\n\nDuring Xenstore live update the state record for a Xenstore watch with\nspecified watch depth is written with two bytes missing.  This results\nin an inconsistent state when reading the state back in the new Xenstore,\ncausing a crash of Xenstore or wrong Xenstore data.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":223168,"id":"CVE-2026-79607","ts":1792176223194,"field":"cvss","old":null,"new":"5.5"},{"seq":223167,"id":"CVE-2026-79607","ts":1792176223194,"field":"severity","old":"none","new":"medium"}]}