{"id":"CVE-2026-124885","kind":"vulnerability","aliases":["CVE-2026-124885"],"related":[],"title":"Firefox: use-after-free in text graphics component fixed in recent releases","description":"Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.","summary":"A use-after-free bug in Firefox's Graphics: Text component can corrupt memory when text is rendered. The sources do not say what an attacker can achieve beyond that.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","firefox","runtime"],"not_affected_if":["already-updated"],"how_to_check":"- Check the installed Firefox version in Firefox under Settings > About Firefox.\n- Compare it against the fixed versions `160`, `115.45` (ESR) and `153.7` (ESR).","fix":"- Firefox `160`\n- Firefox ESR `115.45`\n- Firefox ESR `153.7`","status":"open","published_at":"2026-11-10T14:17:21+00:00","first_seen_at":"2026-11-10T14:22:15+00:00","triaged_at":"2026-11-10T14:26:08+00:00","updated_at":"2026-11-10T14:26:08+00:00","category":"runtime","confidence":0.4,"triage":{"at":"2026-11-10T14:26:08Z","model":"claude-haiku-5-5","output":{"fix":"- Firefox `160`\n- Firefox ESR `115.45`\n- Firefox ESR `153.7`","reach":"internet","title":"Firefox: use-after-free in text graphics component fixed in recent releases","impact":"high","summary":"A use-after-free bug in Firefox's Graphics: Text component can corrupt memory when text is rendered. The sources do not say what an attacker can achieve beyond that.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["firefox","browsers"],"confidence":0.4,"fix_status":"available","needs_auth":"unknown","worst_case":"unknown; memory corruption could allow code execution","analyst_note":"Check the Mozilla security advisory for this CVE to confirm exploitability, trigger conditions and severity.","how_to_check":"- Check the installed Firefox version in Firefox under Settings > About Firefox.\n- Compare it against the fixed versions `160`, `115.45` (ESR) and `153.7` (ESR).","plain_action":"Update Firefox to version 160, or to ESR 115.45 or 153.7 if you use the extended support release.","product_name":"","needs_analyst":true,"not_affected_if":["already-updated"],"who_is_affected":"Anyone running Firefox or Firefox ESR below the fixed versions. The sources do not say whether the bug is reachable from a web page alone or needs a particular setting.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000711,"input_tokens":4484,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-124885':16A,19A '-2026':15A,18A '115.45':71C '153.7':75C '160':68C 'achiev':51B 'attack':49B 'beyond':52B 'browser':20B 'bug':28B 'compon':9A,34B,61C 'corrupt':36B 'cve':14A,17A 'esr':70C,74C 'firefox':1A,21B,30B,67C,69C,73C 'fix':10A,65C 'free':5A,27B,56C 'graphic':8A,32B,59C 'memori':37B 'recent':12A 'releas':13A 'render':41B 'runtim':22B 'say':46B 'sourc':43B 'text':7A,33B,39B,60C 'use':3A,25B,54C 'use-after-fre':2A,24B,53C 'vulner':63C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Firefox or Firefox ESR below the fixed versions. The sources do not say whether the bug is reachable from a web page alone or needs a particular setting.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Firefox to version 160, or to ESR 115.45 or 153.7 if you use the extended support release.","pkeys":[],"ptokens":[],"labels":["browsers","firefox","runtime","unknown"],"campaign_type":null,"search_a":"'-124885':16A,19A '-2026':15A,18A 'compon':9A 'cve':14A,17A 'firefox':1A 'fix':10A 'free':5A 'graphic':8A 'recent':12A 'releas':13A 'text':7A 'use':3A 'use-after-fre':2A","search_b":"'achiev':51B 'attack':49B 'beyond':52B 'browser':20B 'bug':28B 'compon':34B 'corrupt':36B 'firefox':21B,30B 'free':27B 'graphic':32B 'memori':37B 'render':41B 'runtim':22B 'say':46B 'sourc':43B 'text':33B,39B 'use':25B 'use-after-fre':24B","search_c":"'115.45':71C '153.7':75C '160':68C 'compon':61C 'esr':70C,74C 'firefox':67C,69C,73C 'fix':65C 'free':56C 'graphic':59C 'text':60C 'use':54C 'use-after-fre':53C 'vulner':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T14:17:21+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-124885","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124885","severity":null,"published_at":"2026-11-10T14:17:21+00:00","modified_at":"2026-11-10T14:17:21+00:00","first_seen_at":"2026-11-10T14:22:15+00:00","fetched_at":"2026-11-10T14:22:15+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"}