{"id":"CVE-2019-13720","published":"2019-11-25T15:15:33Z","modified":"2026-06-17T02:17:17Z","title":"Google Chrome WebAudio Use-After-Free Vulnerability","vendor":"Google","product":"Chrome WebAudio","tier":"core","eol":null,"description":{"text":"Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","provenance":"source","from":"NVD"},"summary":{"text":"A use-after-free flaw in the WebAudio component of Google Chrome allows heap memory to be corrupted when the browser processes certain audio content. An attacker who can get a victim to load a crafted HTML page can potentially exploit this remotely, with no authentication required but user interaction needed to visit the page.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:05:21Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.49421,"percentile":0.98886,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-05-23","dueDate":"2022-06-13","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2019-13720","provenance":"source"},"vulncheckKev":{"dateAdded":"2019-10-29","exploitedFirstSeen":"2019-10-29","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2019-10-29"},{"url":"https://securelist.com/chrome-0-day-exploit-cve-2019-13720-used-in-operation-wizardopium/94866/","date":"2019-11-01"},{"url":"https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2020CrowdStrikeGlobalThreatReport.pdf","date":"2020-03-03"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-05-23"},{"url":"https://www.fortinet.com/content/dam/fortinet/assets/threat-reports/threat-landscape-report-2h-2023.pdf","date":"2024-05-06"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00022.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/167066/Google-Chrome-78.0.3904.70-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_31.html","tags":["Vendor Advisory"]},{"url":"https://crbug.com/1019226","tags":["Permissions Required"]},{"url":"https://security.gentoo.org/glsa/202004-04","tags":["Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00022.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/167066/Google-Chrome-78.0.3904.70-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop_31.html","tags":["Vendor Advisory"]},{"url":"https://crbug.com/1019226","tags":["Permissions Required"]},{"url":"https://security.gentoo.org/glsa/202004-04","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-13720","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: drive-by via crafted HTML page","mappingType":"uncategorized","evidence":[{"from":"description","quote":"allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page","start":66,"end":154}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: memory corruption yields client code execution","mappingType":"uncategorized","evidence":[{"from":"description","quote":"Use after free in WebAudio in Google Chrome","start":0,"end":43}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[{"id":"SRC-867ca4ec19faf4b0ecc1","title":"Report2020CrowdStrikeGlobalThreatReport","publisher":"go.crowdstrike.com","url":"https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2020CrowdStrikeGlobalThreatReport.pdf","date":null,"mentions":[{"quote":"vulnerability (CVE-2019-13720) that was reported in November 2019 posed the same","start":92965,"end":93045}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2019-5139","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-5139","exploited":true,"exploitedSince":"2022-05-23","provenance":"source"},"exploits":[{"id":50917,"url":"https://www.exploit-db.com/exploits/50917","title":"Google Chrome 78.0.3904.70 - Remote Code Execution","type":"remote","platform":"multiple","date":"2022-05-11","verified":false,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2022-05-11"},"pocGithub":{"count":1,"skipped":0,"earliest":"2019-11-04","earliestUrl":"https://github.com/cve-2019-13720/cve-2019-13720","repos":[{"name":"cve-2019-13720/cve-2019-13720","url":"https://github.com/cve-2019-13720/cve-2019-13720","stars":3,"created":"2019-11-04"}]},"first":{"date":"2019-11-04","source":"PoC-in-GitHub","url":"https://github.com/cve-2019-13720/cve-2019-13720"},"provenance":"source"},"exploitRefs":["http://packetstormsecurity.com/files/167066/Google-Chrome-78.0.3904.70-Remote-Code-Execution.html"],"flow":[{"stage":"related","techniques":["T1189","T1203"],"provenance":"source"}],"timeline":[{"date":"2019-10-29","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2019-11-04","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub; 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1 Exploit-DB entry; 1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-google-chrome-cwe-416"}}