{"id":"CVE-2025-60469","kind":"vulnerability","aliases":["CVE-2025-60469"],"related":[],"title":"GPAC MP4Box: crafted AC4 file crashes the parser with a NULL dereference","description":"A NULL pointer dereference in the gf_ac4_presentation_ch_mode function (/media_tools/av_parsers.c) of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.","summary":"GPAC's MP4Box tool, before version 2.5, dereferences a NULL pointer in gf_ac4_presentation_ch_mode when parsing an AC4 audio file. An attacker who supplies a crafted AC4 file can crash the process, causing a denial of service.","severity":"low","cvss":null,"epss":0.00176,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["gpac","media-processing","mp4box","package"],"not_affected_if":["gpac-not-installed","trusted-input-only"],"how_to_check":"- Run `MP4Box -version` and compare against `2.5`\n- Check whether the GPAC library is installed on systems that parse untrusted AC4 media","fix":"- Upgrade GPAC/MP4Box to `2.5` or later","status":"open","published_at":"2026-10-21T16:17:13+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-25T05:02:06+00:00","updated_at":"2026-10-25T05:02:06+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T05:02:06Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade GPAC/MP4Box to `2.5` or later","reach":"unknown","title":"GPAC MP4Box: crafted AC4 file crashes the parser with a NULL dereference","impact":"low","summary":"GPAC's MP4Box tool, before version 2.5, dereferences a NULL pointer in gf_ac4_presentation_ch_mode when parsing an AC4 audio file. An attacker who supplies a crafted AC4 file can crash the process, causing a denial of service.","category":"package","nicknames":[],"who_cares":["gpac","mp4box","media-processing"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Denial of service: the MP4Box process crashes on a crafted file","analyst_note":"","how_to_check":"- Run `MP4Box -version` and compare against `2.5`\n- Check whether the GPAC library is installed on systems that parse untrusted AC4 media","needs_analyst":false,"not_affected_if":["gpac-not-installed","trusted-input-only"],"who_is_affected":"Teams that run GPAC's MP4Box on untrusted media, for example media-conversion or ingest pipelines that accept user-uploaded AC4 files. Systems that only process trusted local media, or do not use GPAC, can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000582,"input_tokens":3359,"output_tokens":492,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2025':14A,17A '-60469':15A,18A '/media_tools/av_parsers.c':77C '2.5':31B,82C 'ac4':4A,38B,45B,54B,72C,96C 'allow':83C 'attack':49B,84C 'audio':46B 'caus':60B,86C 'ch':40B,74C 'craft':3A,53B,95C 'crash':6A,57B 'cve':13A,16A 'denial':62B,88C 'derefer':12A,32B,68C 'dos':91C 'file':5A,47B,55B,97C 'function':76C 'gf':37B,71C 'gpac':1A,19B,25B,79C 'media':21B 'media-process':20B 'mode':41B,75C 'mp4box':2A,23B,27B 'null':11A,34B,66C 'packag':24B 'pars':43B 'parser':8A 'pointer':35B,67C 'present':39B,73C 'process':22B,59B 'project/mp4box':80C 'servic':64B,90C 'suppli':51B,93C 'tool':28B 'version':30B 'via':92C","nicknames":[],"mitigations":[],"who_affected":"Teams that run GPAC's MP4Box on untrusted media, for example media-conversion or ingest pipelines that accept user-uploaded AC4 files. Systems that only process trusted local media, or do not use GPAC, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T16:17:13+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2025-60469","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-60469","severity":null,"published_at":"2026-10-21T16:17:13+00:00","modified_at":"2026-10-22T21:17:13+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2025-60469","url":"https://api.first.org/data/v1/epss?cve=CVE-2025-60469","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+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"}