{"id":"CVE-2022-2294","published":"2022-07-28T02:15:07Z","modified":"2026-08-04T05:16:28Z","title":"WebRTC Heap Buffer Overflow Vulnerability","vendor":"WebRTC","product":"WebRTC","tier":"core","eol":null,"description":{"text":"Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","provenance":"source","from":"NVD"},"summary":{"text":"A heap buffer overflow in the WebRTC component of Google Chrome allows heap memory corruption to occur. An attacker can exploit it remotely by luring a user to a crafted HTML page, requiring no authentication but user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:03:16Z"},"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":0.70833,"percentile":0.99397,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2022-08-25","dueDate":"2022-09-15","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://groups.google.com/g/discuss-webrtc/c/5KBtZx2gvcQ;  https://nvd.nist.gov/vuln/detail/CVE-2022-2294","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-07-01","exploitedFirstSeen":"2022-07-01","ransomware":true,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2022-07-01"},{"url":"https://decoded.avast.io/janvojtesek/the-return-of-candiru-zero-days-in-the-middle-east/","date":"2022-07-21"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-08-25"},{"url":"https://raw.githubusercontent.com/blackorbird/APT_REPORT/master/summary/2023/360_APT_Annual_Research_Report_2022.pdf","date":"2023-01-17"},{"url":"https://www.prio-n.com/a-year-in-review-2022-100-vulnerabilities-you-should-prioritize/","date":"2023-02-02"},{"url":"https://www.mandiant.com/resources/blog/zero-days-exploited-2022","date":"2023-03-20"},{"url":"https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Buying_Spying_-_Insights_into_Commercial_Surveillance_Vendors.pdf","date":"2024-02-06"},{"url":"https://assets.recordedfuture.com/content/dam/insikt-report-pdfs/2025/cta-2025-0805.pdf","date":"2025-08-04"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"}],"evidenceTotal":9,"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":"EbeeOct2026 Pt4","url":"https://otx.alienvault.com/pulse/6ad87c6c085d1e0d032d9ad9","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"}],"provenance":"machine"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2022/07/28/2","tags":["Mailing List","Third Party Advisory"]},{"url":"https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://crbug.com/1341043","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/","tags":["Broken Link"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/","tags":["Broken Link"]},{"url":"https://security.gentoo.org/glsa/202208-35","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-39","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202311-11","tags":["Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/07/28/2","tags":["Mailing List","Third Party Advisory"]},{"url":"https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://crbug.com/1341043","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BQRTR4SIUNIHLLPWTGYSDNQK7DYCRSB/","tags":["Broken Link"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2C4XOJVIILDXTOSMWJXHSQNEXFWSOD7/","tags":["Broken Link"]},{"url":"https://security.gentoo.org/glsa/202208-35","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-39","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202311-11","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2294","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: drive-by via crafted HTML page","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page","start":72,"end":160}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: heap overflow enables client-side code execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Heap buffer overflow in WebRTC in Google Chrome","start":0,"end":47}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-34567","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-34567","exploited":true,"exploitedSince":"2022-08-25","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1203"],"provenance":"ai"}],"timeline":[{"date":"2022-07-01","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2022-07-28","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2294","provenance":"source"},{"date":"2022-08-25","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-08-25","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-34567","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":28},"priority":{"score":74.0,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1581 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.88,"detail":"percentile 0.9940"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"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"}]}}