{"id":"CVE-2026-117871","kind":"vulnerability","aliases":["CVE-2026-117871"],"related":[],"title":"Firefox: invalid pointer in Graphics component may allow memory corruption","description":"Invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.","summary":"Firefox has an invalid pointer bug in its Graphics component, fixed in Firefox 159 and Firefox ESR 153.6. The sources do not state what an attacker can achieve with it.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","desktop","firefox","other"],"not_affected_if":[],"how_to_check":"- Check the installed Firefox version in the About Firefox dialog or with `firefox --version`\n- Check the ESR build with `firefox --version` on ESR installs, comparing against `153.6`","fix":"- Update Firefox to `159` or later\n- Update Firefox ESR to `153.6` or later","status":"open","published_at":"2026-10-27T14:16:41+00:00","first_seen_at":"2026-10-27T14:32:21+00:00","triaged_at":"2026-10-27T14:39:14+00:00","updated_at":"2026-10-27T14:39:14+00:00","category":"other","confidence":0.3,"triage":{"at":"2026-10-27T14:39:14Z","model":"claude-haiku-5-5","output":{"fix":"- Update Firefox to `159` or later\n- Update Firefox ESR to `153.6` or later","reach":"unknown","title":"Firefox: invalid pointer in Graphics component may allow memory corruption","impact":"medium","summary":"Firefox has an invalid pointer bug in its Graphics component, fixed in Firefox 159 and Firefox ESR 153.6. The sources do not state what an attacker can achieve with it.","category":"other","nicknames":[],"who_cares":["firefox","browsers","desktop"],"confidence":0.3,"needs_auth":"unknown","worst_case":"unknown; sources do not describe the impact","analyst_note":"Find the Mozilla security advisory for this CVE to confirm the impact, trigger conditions and whether it is exploited.","how_to_check":"- Check the installed Firefox version in the About Firefox dialog or with `firefox --version`\n- Check the ESR build with `firefox --version` on ESR installs, comparing against `153.6`","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Any installation of Firefox older than version 159 or Firefox ESR older than 153.6 is covered by the fix. The sources do not describe the trigger conditions or the data path, so it is unknown whether exposure depends on a specific setting or on visiting a page.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000573,"input_tokens":3232,"output_tokens":499,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-117871':13A,16A '-2026':12A,15A '153.6':37B,64C '159':33B,60C 'achiev':47B 'allow':8A 'attack':45B 'browser':17B 'bug':25B 'compon':6A,29B,53C 'corrupt':10A 'cve':11A,14A 'desktop':18B 'esr':36B,63C 'firefox':1A,19B,20B,32B,35B,59C,62C 'fix':30B,57C 'graphic':5A,28B,52C 'invalid':2A,23B,48C 'may':7A 'memori':9A 'pointer':3A,24B,49C 'sourc':39B 'state':42B 'vulner':55C","nicknames":[],"mitigations":[],"who_affected":"Any installation of Firefox older than version 159 or Firefox ESR older than 153.6 is covered by the fix. The sources do not describe the trigger conditions or the data path, so it is unknown whether exposure depends on a specific setting or on visiting a page.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T14:16:41+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-117871","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117871","severity":null,"published_at":"2026-10-27T14:16:41+00:00","modified_at":"2026-10-27T14:16:41+00:00","first_seen_at":"2026-10-27T14:32:21+00:00","fetched_at":"2026-10-27T14:32:21+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"}