Description
The AMF3ReadString function in amf.c in RTMPDump 2.4 allows remote RTMP Media servers to cause a denial of service (invalid pointer dereference and process crash).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rtmpdump | 2.4+20151223.gitfa8646d.1-1 | — |
| Debian 13 | rtmpdump | 2.4+20151223.gitfa8646d.1-1 | — |
| Debian 12 | rtmpdump | 2.4+20151223.gitfa8646d.1-1 | — |
| Debian 8 | rtmpdump | 2.4+20150115.gita107cef-1+deb8u1 | DSA-3850-1 |
| Debian 7 | rtmpdump | 2.4+20111222.git4e06e21-1+deb7u1 | DLA-917-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | rtmpdump | 2.4+20151223.gitfa8646d-1ubuntu0.1 | USN-3283-1 |
| Ubuntu 14.04 LTS | rtmpdump | 2.4+20121230.gitdf6c518-1ubuntu0.1 | USN-3283-1 |
Advisories 3
- USN-3283-1 rtmpdump vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-917-1 rtmpdump - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3850-1 rtmpdump - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.talosintelligence.com/reports/TALOS-2016-0066/
- DSA-3850 vendor-advisory
- 95126 vdb-entry