{"id":"CVE-2026-112271","summary":"libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parser","details":"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 from a malicious monitor, KVM, capture device, or EDID file to make is_all_zeroes read past the buffer, causing a possible crash.","modified":"2026-10-21T02:55:53.909532639Z","published":"2026-10-19T13:55:19.362Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112271.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112271.json"},{"type":"PACKAGE","url":"https://gitlab.freedesktop.org/emersion/libdisplay-info"},{"type":"ARTICLE","url":"https://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c#L603-L689"},{"type":"EVIDENCE","url":"https://hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-overrun-oob-read"},{"type":"ADVISORY","url":"https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112271"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-displayid-v1-parser"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.freedesktop.org/emersion/libdisplay-info","events":[{"introduced":"0"},{"last_affected":"c67a3e9bedb05ab61c7443704a1a107e76254595"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"0.4.0"}],"source":"AFFECTED_FIELD"}]}}],"versions":["0.4.0","0.3.0","0.2.0","0.1.1","0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112271.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}