{"id":"CVE-2026-112272","kind":"vulnerability","aliases":["CVE-2026-112272"],"related":[],"title":"libdisplay-info: crafted EDID can read past heap buffer","description":"Libdisplay-info 0.4.0 contains a heap out-of-bounds read vulnerability in the DisplayID v2 section parser in displayid2.c that allows attackers to read past the EDID buffer via oversized data block lengths. Attackers can supply a crafted EDID from a malicious monitor, KVM, capture device, or file to over-advance the parse cursor and crash applications.","summary":"libdisplay-info 0.4.0 has a heap out-of-bounds read in its DisplayID v2 parser (displayid2.c) when an EDID block declares an oversized data block length. A crafted EDID from a malicious monitor, KVM, capture device or file can make the parser read past the buffer and crash the application.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["display-stack","libdisplay-info","linux-desktop","package"],"not_affected_if":["unknown"],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-19T14:17:04+00:00","first_seen_at":"2026-10-23T21:57:18+00:00","triaged_at":"2026-10-25T03:44:51+00:00","updated_at":"2026-10-25T03:44:51+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:44:51Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"libdisplay-info: crafted EDID can read past heap buffer","impact":"low","summary":"libdisplay-info 0.4.0 has a heap out-of-bounds read in its DisplayID v2 parser (displayid2.c) when an EDID block declares an oversized data block length. A crafted EDID from a malicious monitor, KVM, capture device or file can make the parser read past the buffer and crash the application.","category":"package","nicknames":[],"who_cares":["libdisplay-info","linux-desktop","display-stack"],"confidence":0.6,"needs_auth":"no","worst_case":"Application crashes; memory over-read from heap","analyst_note":"Check the upstream libdisplay-info advisory and NVD entry for a fixed version and whether any non-crash impact is possible.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Applications that link libdisplay-info 0.4.0 and parse EDID data supplied by external displays, KVM or capture hardware, or files. The sources do not name the affected distributions or downstream products.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000554,"input_tokens":3357,"output_tokens":437,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-112272':13A,16A '-2026':12A,15A '0.4.0':30B,82C 'advanc':132C 'allow':101C 'applic':78B,138C 'attack':102C,114C 'block':48B,53B,112C 'bound':37B,89C 'buffer':10A,74B,108C 'captur':63B,125C 'contain':83C 'craft':4A,56B,118C 'crash':76B,137C 'cursor':135C 'cve':11A,14A 'data':52B,111C 'declar':49B 'desktop':25B 'devic':64B,126C 'display':18B 'display-stack':17B 'displayid':41B,94C 'displayid2.c':44B,99C 'edid':5A,47B,57B,107C,119C 'file':66B,128C 'heap':9A,33B,85C 'info':3A,22B,29B,81C 'kvm':62B,124C 'length':54B,113C 'libdisplay':2A,21B,28B,80C 'libdisplay-info':1A,20B,27B,79C 'linux':24B 'linux-desktop':23B 'make':68B 'malici':60B,122C 'monitor':61B,123C 'out-of-bound':34B,86C 'over-adv':130C 'overs':51B,110C 'packag':26B 'pars':134C 'parser':43B,70B,97C 'past':8A,72B,105C 'read':7A,38B,71B,90C,104C 'section':96C 'stack':19B 'suppli':116C 'v2':42B,95C 'via':109C 'vulner':91C","nicknames":[],"mitigations":[],"who_affected":"Applications that link libdisplay-info 0.4.0 and parse EDID data supplied by external displays, KVM or capture hardware, or files. The sources do not name the affected distributions or downstream products.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-19T14:17:04+00:00","kev":null,"cvss_vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112272","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112272","severity":null,"published_at":"2026-10-19T14:17:04+00:00","modified_at":"2026-10-19T21:14:14+00:00","first_seen_at":"2026-10-23T21:57:18+00:00","fetched_at":"2026-10-23T22:28:57+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}