{"id":"CVE-2026-112057","kind":"vulnerability","aliases":["CVE-2026-112057"],"related":[],"title":"libdvdnav: crafted DVD image triggers heap out-of-bounds read, crashing apps","description":"libdvdnav before 7.0.0 contains a heap out-of-bounds read vulnerability in dvdnav_describe_title_chapters that allows attackers to read beyond the part-of-title array by supplying an oversized vts_ttn value. Attackers can provide a crafted DVD or disc image declaring a larger VMGI title vts_ttn than the title set's entries to crash applications enumerating chapters.","summary":"libdvdnav before 7.0.0 has a heap out-of-bounds read in dvdnav_describe_title_chapters, reached through an oversized vts_ttn value in the disc's title table. A crafted DVD or disc image can make an application that enumerates chapters read past a heap array, which crashes it.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["disc-tools","libdvdnav","linux","media-players","package"],"not_affected_if":["no-dvd-processing"],"how_to_check":"- Check the installed libdvdnav version with `pkg-config --modversion dvdnav` or the package manager's query for libdvdnav\n- Check whether your application links libdvdnav with `ldd` on the binary and look for libdvdnav.so","fix":"- Upgrade libdvdnav to `7.0.0` or later\n- Rebuild or update applications that link libdvdnav against the fixed library","status":"open","published_at":"2026-10-18T13:16:38+00:00","first_seen_at":"2026-10-23T21:57:15+00:00","triaged_at":"2026-10-25T03:44:57+00:00","updated_at":"2026-10-25T03:44:57+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:44:57Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade libdvdnav to `7.0.0` or later\n- Rebuild or update applications that link libdvdnav against the fixed library","reach":"local","title":"libdvdnav: crafted DVD image triggers heap out-of-bounds read, crashing apps","impact":"low","summary":"libdvdnav before 7.0.0 has a heap out-of-bounds read in dvdnav_describe_title_chapters, reached through an oversized vts_ttn value in the disc's title table. A crafted DVD or disc image can make an application that enumerates chapters read past a heap array, which crashes it.","category":"package","nicknames":[],"who_cares":["libdvdnav","media-players","disc-tools","linux"],"confidence":0.6,"needs_auth":"no","worst_case":"application crashes while reading a crafted disc image","analyst_note":"Confirm the fixed version and whether any code execution is possible beyond the crash; the NVD entry in the sources is the only reference.","how_to_check":"- Check the installed libdvdnav version with `pkg-config --modversion dvdnav` or the package manager's query for libdvdnav\n- Check whether your application links libdvdnav with `ldd` on the binary and look for libdvdnav.so","needs_analyst":true,"not_affected_if":["no-dvd-processing"],"who_is_affected":"Applications that open DVD or disc images with libdvdnav and call chapter enumeration such as dvdnav_describe_title_chapters, for example media players and disc rippers. Systems that never process DVD or disc images with libdvdnav can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000628,"input_tokens":3365,"output_tokens":583,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-112057':16A,19A '-2026':15A,18A '7.0.0':31B,80C 'allow':96C 'app':13A 'applic':67B,138C 'array':75B,106C 'attack':97C,114C 'beyond':100C 'bound':10A,38B,87C 'chapter':44B,70B,94C,140C 'contain':81C 'craft':2A,59B,118C 'crash':12A,77B,137C 'cve':14A,17A 'declar':123C 'describ':42B,92C 'disc':21B,54B,62B,121C 'disc-tool':20B 'dvd':3A,60B,119C 'dvdnav':41B,91C 'entri':135C 'enumer':69B,139C 'heap':6A,34B,74B,83C 'imag':4A,63B,122C 'larger':125C 'libdvdnav':1A,23B,29B,78C 'linux':24B 'make':65B 'media':26B 'media-play':25B 'out-of-bound':7A,35B,84C 'overs':48B,110C 'packag':28B 'part':103C 'part-of-titl':102C 'past':72B 'player':27B 'provid':116C 'reach':45B 'read':11A,39B,71B,88C,99C 'set':133C 'suppli':108C 'tabl':57B 'titl':43B,56B,93C,105C,127C,132C 'tool':22B 'trigger':5A 'ttn':50B,112C,129C 'valu':51B,113C 'vmgi':126C 'vts':49B,111C,128C 'vulner':89C","nicknames":[],"mitigations":[],"who_affected":"Applications that open DVD or disc images with libdvdnav and call chapter enumeration such as dvdnav_describe_title_chapters, for example media players and disc rippers. Systems that never process DVD or disc images with libdvdnav can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-18T13:16:38+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-2026-112057","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112057","severity":null,"published_at":"2026-10-18T13:16:38+00:00","modified_at":"2026-10-19T21:14:14+00:00","first_seen_at":"2026-10-23T21:57:15+00:00","fetched_at":"2026-10-23T22:28:55+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"}