{"id":"CVE-2026-85498","published":"2026-10-29T09:17:08.400","lastModified":"2026-10-30T02:17:09.967","description":"A flaw was found in polkit. When processing input that begins with a null byte, an arithmetic error in the authentication agent helper causes an integer underflow during buffer length calculation, resulting in an out-of-bounds memory read. An attacker capable of supplying crafted input can trigger this flaw, potentially causing an application crash and resulting in a Denial of Service (DoS).","cvssScore":3.5,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:66287","tags":[]},{"url":"https://access.redhat.com/security/cve/CVE-2026-85498","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528347","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}