{"id":"CVE-2026-112060","state":"PUBLISHED","title":"librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Write via AMF3_Decode","description":"librtmp in RTMPDump through 2.6 contains an out-of-bounds read and heap out-of-bounds write vulnerability because AMF3_Decode ignores AMF3 property decode failures. Malicious RTMP servers or man-in-the-middle attackers can send oversized AMF3 string lengths, and with the token option DecodeTEA corrupts heap memory and leaks heap bytes.","publishedAt":"2026-10-18T12:19:50.440Z","updatedAt":"2026-10-19T16:12:27.073Z","severity":{"score":6.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["RTMPDump librtmp"],"affected":[{"vendor":"RTMPDump","product":"librtmp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.6","versionType":"custom"}],"collectionURL":"https://git.ffmpeg.org/rtmpdump","repo":"https://git.ffmpeg.org/rtmpdump"}],"references":["https://hackmd.io/@haindpwn/librtmp-amf3-decode-and-strict-array-oob","https://git.ffmpeg.org/gitweb/rtmpdump.git/blob/138fdb258d9fc26f1843fd1b891180416c9dc575:/librtmp/amf.c","https://rtmpdump.mplayerhq.hu/","https://www.vulncheck.com/advisories/librtmp-rtmpdump-through-2.6-heap-out-of-bounds-write-via-amf3-decode"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/112xxx/CVE-2026-112060.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-112060","state":"PUBLISHED","datePublished":"2026-10-18T12:19:50.440Z","dateUpdated":"2026-10-19T16:12:27.073Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-18T12:00:07.227Z"},"containers":{"cna":{"title":"librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Write via AMF3_Decode","descriptions":[{"lang":"en","value":"librtmp in RTMPDump through 2.6 contains an out-of-bounds read and heap out-of-bounds write vulnerability because AMF3_Decode ignores AMF3 property decode failures. Malicious RTMP servers or man-in-the-middle attackers can send oversized AMF3 string lengths, and with the token option DecodeTEA corrupts heap memory and leaks heap bytes."}],"affected":[{"vendor":"RTMPDump","product":"librtmp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.6","versionType":"custom"}],"collectionURL":"https://git.ffmpeg.org/rtmpdump","repo":"https://git.ffmpeg.org/rtmpdump"}],"references":[{"url":"https://hackmd.io/@haindpwn/librtmp-amf3-decode-and-strict-array-oob","tags":["third-party-advisory"]},{"url":"https://git.ffmpeg.org/gitweb/rtmpdump.git/blob/138fdb258d9fc26f1843fd1b891180416c9dc575:/librtmp/amf.c","tags":["technical-description"]},{"url":"https://rtmpdump.mplayerhq.hu/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/librtmp-rtmpdump-through-2.6-heap-out-of-bounds-write-via-amf3-decode","name":"VulnCheck Advisory: librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Write via AMF3_Decode","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-18T12:19:50.440Z"},"datePublic":"2026-10-17T18:49:31.000Z","credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T16:10:21.266030Z","id":"CVE-2026-112060","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T16:12:27.073Z"}}]}}}