The AMF3CD_AddProp function in amf.c in RTMPDump 2.4 allows remote RTMP Media servers to execute arbitrary code.

published 2017-04-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8159

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.9%; EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

Patch / fix

distros 2

debian ubuntu

rtmpdump Debian 14, Debian 13, Debian 12 2.4+20151223.gitfa8646d.1-1

debian advisories DEBIAN-CVE-2015-8271

rtmpdump Ubuntu 14.04 LTS 2.4+20121230.gitdf6c518-1ubuntu0.1
rtmpdump Ubuntu 16.04 LTS 2.4+20151223.gitfa8646d-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2015-8271

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

5.92% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

talosintelligence.com http://www.talosintelligence.com/reports/TALOS-2016-0067/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-123 Write-what-where Condition

References

talosintelligence.com /reports/TALOS-2016-0067/
exploit, technical-description, third-party-advisory, vdb-entry
debian.org /security/2017/dsa-3850
vendor-advisory
securityfocus.com /bid/95125
vdb-entry, third-party-advisory

Sources

CVE List CVE-2015-8271
NVD CVE-2015-8271

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary