{"id":"CVE-2018-6344","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-6344","generatedAt":"2026-10-29T00:33:32.961Z","title":"A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established.","description":"A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established. The vulnerability can be used to cause denial of service. It affects WhatsApp for Android prior to v2.18.293, WhatsApp for iOS prior to v2.18.93, and WhatsApp for Windows Phone prior to v2.18.172.","published":"2018-12-31T22:29:01.000Z","lastModified":"2026-06-17T02:01:43.000Z","status":"Modified","sourceIdentifier":"cve-assign@fb.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["whatsapp/whatsapp"],"epss":{"score":0.01949,"percentile":0.80111,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/106365","tags":["Third Party Advisory","VDB Entry"],"source":"cve-assign@fb.com"},{"url":"https://googleprojectzero.blogspot.com/2018/12/adventures-in-video-conferencing-part-3.html","tags":["Exploit","Third Party Advisory"],"source":"cve-assign@fb.com"},{"url":"http://www.securityfocus.com/bid/106365","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://googleprojectzero.blogspot.com/2018/12/adventures-in-video-conferencing-part-3.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6344","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}