CVE-2026-112061
librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Read via AMFProp_Decode
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
librtmp (RTMPDump) through 2.6 contains a heap out-of-bounds read vulnerability in AMFProp_Decode that reads an AMF0 strict-array element count before checking that four bytes remain. A malicious RTMP server or man in the middle can send an AMF0 body ending with a strict-array type byte and fewer than four trailing bytes to crash the client.
| CWE | CWE-125 |
| Vendor | rtmpdump |
| Product | librtmp |
| Published | Oct 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
RTMPDump / librtmp
0 ≤ 2.6
References
hackmd.io: https://hackmd.io/@haindpwn/librtmp-amf3-decode-and-strict-array-oob git.ffmpeg.org: https://git.ffmpeg.org/gitweb/rtmpdump.git/blob/138fdb258d9fc26f1843fd1b891180416c9dc575:/librtmp/amf.c rtmpdump.mplayerhq.hu: https://rtmpdump.mplayerhq.hu/ vulncheck.com: https://www.vulncheck.com/advisories/librtmp-rtmpdump-through-2.6-heap-out-of-bounds-read-via-amfprop-decode
Credits
HaiND from the Post and Telecommunication Institute of Technology