{"id":"CVE-2026-124915","kind":"vulnerability","aliases":["CVE-2026-124915"],"related":[],"title":"Firefox: WebGPU boundary check flaw fixed in Firefox 160","description":"Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.","summary":"Firefox's WebGPU graphics component has an incorrect boundary check, a memory-safety class of bug. The sources do not say what an attacker can do with it beyond that.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","firefox","runtime","webgpu"],"not_affected_if":["already-updated"],"how_to_check":"- Run `firefox --version` (or check About Firefox) and compare against the fixed versions below.\n- Check the installed ESR channel version if you use Firefox ESR.","fix":"- Firefox: `160`\n- Firefox ESR: `153.7`","status":"open","published_at":"2026-11-10T14:17:25+00:00","first_seen_at":"2026-11-10T14:22:17+00:00","triaged_at":"2026-11-10T14:24:35+00:00","updated_at":"2026-11-10T14:24:35+00:00","category":"runtime","confidence":0.4,"triage":{"at":"2026-11-10T14:24:35Z","model":"claude-haiku-5-5","output":{"fix":"- Firefox: `160`\n- Firefox ESR: `153.7`","reach":"internet","title":"Firefox: WebGPU boundary check flaw fixed in Firefox 160","impact":"medium","summary":"Firefox's WebGPU graphics component has an incorrect boundary check, a memory-safety class of bug. The sources do not say what an attacker can do with it beyond that.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["firefox","webgpu","browsers"],"confidence":0.4,"fix_status":"available","needs_auth":"unknown","worst_case":"unknown; exploitation impact is not stated by the sources","analyst_note":"Check the NVD entry and Mozilla's advisory for the attack vector, impact and whether it is exploitable from a web page.","how_to_check":"- Run `firefox --version` (or check About Firefox) and compare against the fixed versions below.\n- Check the installed ESR channel version if you use Firefox ESR.","plain_action":"Update Firefox to version 160 or Firefox ESR to 153.7 through its update menu.","product_name":"","needs_analyst":true,"not_affected_if":["already-updated"],"who_is_affected":"Anyone running Firefox before the fixed versions, since WebGPU is enabled by default in browsers that ship it. The sources do not say whether a web page alone can trigger the flaw or what conditions are required. Teams that pin Firefox ESR on managed desktops should check that channel.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000733,"input_tokens":4488,"output_tokens":568,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-124915':12A,15A '-2026':11A,14A '153.7':68C '160':9A,64C 'attack':44B 'beyond':49B 'boundari':3A,28B,51C 'browser':16B 'bug':36B 'check':4A,29B 'class':34B 'compon':24B,57C 'condit':52C 'cve':10A,13A 'esr':67C 'firefox':1A,8A,17B,20B,63C,66C 'fix':6A,61C 'flaw':5A 'graphic':23B,55C 'incorrect':27B,50C 'memori':32B 'memory-safeti':31B 'runtim':18B 'safeti':33B 'say':41B 'sourc':38B 'vulner':59C 'webgpu':2A,19B,22B,56C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Firefox before the fixed versions, since WebGPU is enabled by default in browsers that ship it. The sources do not say whether a web page alone can trigger the flaw or what conditions are required. Teams that pin Firefox ESR on managed desktops should check that channel.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Firefox to version 160 or Firefox ESR to 153.7 through its update menu.","pkeys":[],"ptokens":[],"labels":["browsers","firefox","runtime","unknown","webgpu"],"campaign_type":null,"search_a":"'-124915':12A,15A '-2026':11A,14A '160':9A 'boundari':3A 'check':4A 'cve':10A,13A 'firefox':1A,8A 'fix':6A 'flaw':5A 'webgpu':2A","search_b":"'attack':44B 'beyond':49B 'boundari':28B 'browser':16B 'bug':36B 'check':29B 'class':34B 'compon':24B 'firefox':17B,20B 'graphic':23B 'incorrect':27B 'memori':32B 'memory-safeti':31B 'runtim':18B 'safeti':33B 'say':41B 'sourc':38B 'webgpu':19B,22B","search_c":"'153.7':68C '160':64C 'boundari':51C 'compon':57C 'condit':52C 'esr':67C 'firefox':63C,66C 'fix':61C 'graphic':55C 'incorrect':50C 'vulner':59C 'webgpu':56C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T14:17:25+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-124915","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124915","severity":null,"published_at":"2026-11-10T14:17:25+00:00","modified_at":"2026-11-10T14:17:25+00:00","first_seen_at":"2026-11-10T14:22:17+00:00","fetched_at":"2026-11-10T14:22:17+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}