{"id":"CVE-2026-112271","title":"libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parser","summary":"libdisplay-info through 0.4.0 contains a heap out-of-bounds read vulnerability in the DisplayID v1 section parser in displayid.c that occurs when a data block's declared length exceeds the section. Attackers can supply a crafted EDID fro…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"emersion","product":"libdisplay-info","affected":["libdisplay-info <= 0.4.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T14:11:07.408759Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T14:11:35.515Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112271","references":[{"url":"https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read"},{"url":"https://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c#L603-L689"},{"url":"https://gitlab.freedesktop.org/emersion/libdisplay-info"},{"url":"https://www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-displayid-v1-parser","label":"VulnCheck Advisory: libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parser"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-19T14:30:01.064Z","slug":"CVE-2026-112271","body":"## Overview\n\nlibdisplay-info through 0.4.0 contains a heap out-of-bounds read vulnerability in the DisplayID v1 section parser in displayid.c that occurs when a data block's declared length exceeds the section. Attackers can supply a crafted EDID from a malicious monitor, KVM, capture device, or EDID file to make is_all_zeroes read past the buffer, causing a possible crash.\n\n## Affected\n\n- `libdisplay-info <= 0.4.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}