CVE-2026-112061 librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Read via AMFProp_Decode
A malicious RTMP server can crash the client via a heap out-of-bounds read in librtmp's AMFProp_Decode function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-112061?
CVE-2026-112061 is a medium-severity memory corruption vulnerability in RTMPDump librtmp, published on 18 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-112061?
How do I fix CVE-2026-112061?
No fix has been published for CVE-2026-112061 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-112061 being exploited?
There is no known exploitation of CVE-2026-112061 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-112061, ECHO-a100-b1a0-1695, GHSA-m837-gfcx-6jp4, UBUNTU-CVE-2026-112061.