CVE-2026-112060
CVE-2026-112060
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.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- hackmd.io/@haindpwn/librtmp-amf3-decode-and-strict-array-oob (third-party-advisory)
- git.ffmpeg.org/gitweb/rtmpdump.git/blob/138fdb258d9fc26f1843fd1b891180416c9dc57… (technical-description)
- rtmpdump.mplayerhq.hu/ (product)
- www.vulncheck.com/advisories/librtmp-rtmpdump-through-2.6-heap-out-of-bounds-wr… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112060?
- CVE-2026-112060 is a medium-severity vulnerability, classified under Out-of-bounds Write. CVSS score: 6.4/10. Published 2026-10-18.
- How severe is CVE-2026-112060?
- Medium severity. CVSS v3 base score is 6.4 out of 10.