{"id":"CVE-2026-112060","aliases":["DEBIAN-CVE-2026-112060","EUVD-2026-103522","GHSA-x953-qc42-3hqh","UBUNTU-CVE-2026-112060"],"status":"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.","severity":{"version":"4.0","score":6.1,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00177,"percentile":0.07347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-18T12:19:50Z","modified":"2026-11-06T19:39:13Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2","2.4+20151223.gitfa8646d.1-3","2.6-1"]},{"source":"osv","ecosystem":"Debian:13","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2","2.4+20151223.gitfa8646d.1-3","2.6-1"]},{"source":"osv","ecosystem":"Debian:14","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2","2.4+20151223.gitfa8646d.1-3","2.6-1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20121230.gitdf6c518-1","2.4+20121230.gitdf6c518-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20150115.gita107cef-1build1","2.4+20151223.gitfa8646d-1","2.4+20151223.gitfa8646d-1build1","2.4+20151223.gitfa8646d-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2","2.4+20151223.gitfa8646d.1-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2build3","2.4+20151223.gitfa8646d.1-2build4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2build4","2.4+20151223.gitfa8646d.1-2build6","2.4+20151223.gitfa8646d.1-2build7"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-3","2.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rtmpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+20151223.gitfa8646d.1-2build8","2.4+20151223.gitfa8646d.1-3"]}],"products":[{"vendor":"rtmpdump","product":"librtmp"}],"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","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112060"},{"url":"https://rtmpdump.mplayerhq.hu"},{"url":"https://github.com/advisories/GHSA-x953-qc42-3hqh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-112060","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-112060","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-112060","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-112060","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.","status":"published","published":"2026-10-18T12:19:50.44Z","modified":"2026-11-06T19:39:13.921Z","cvss":[{"version":"4.0","score":6.1,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-06T20:30:03.598374Z"}],"euvd":[{"id":"EUVD-2026-103522","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.","status":"published","published":"2026-10-18T12:19:50Z","modified":"2026-11-06T19:39:13Z","cvss":[{"version":"4.0","score":6.1,"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","level":"medium"}],"updated_at":"2026-11-06T21:07:00.781791Z"}],"ghsa":[{"id":"GHSA-x953-qc42-3hqh","title":"librtmp in RTMPDump through 2.6 contains an out-of-bounds read and heap out-of-bounds write...","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.","status":"published","published":"2026-10-18T15:30:31Z","modified":"2026-10-18T15:30:38Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"},{"version":"4.0","score":6.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:13:54.841211Z"}],"nvd":[{"id":"CVE-2026-112060","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.","status":"published","published":"2026-10-18T13:16:38.437Z","modified":"2026-10-19T21:14:14.15Z","cvss":[{"version":"4.0","score":6.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:13:00.123071Z"}],"osv":[{"id":"DEBIAN-CVE-2026-112060","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.","status":"published","published":"2026-10-18T13:16:38.437Z","modified":"2026-10-23T18:05:32.743349127Z","cvss":[{"version":"4.0","score":6.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-112060","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.","status":"published","published":"2026-10-18T13:16:00Z","modified":"2026-10-28T20:17:43.170061597Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"},{"version":"4.0","score":6.1,"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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}