CVE & CISA-KEV Catalog

CVE-2015-8271

CRITICALEPSS 93th pctl
9.8
CVSS v3
NVD

Description

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

CWE-123

How to fix

Remediation Available
rtmpdumpDebian
Fixed in:2.4+20151223.gitfa8646d.1-1CVE-2015-8271
Fixed in:2.4+20151223.gitfa8646d.1-1CVE-2015-8271
Fixed in:2.4+20151223.gitfa8646d.1-1CVE-2015-8271
librtmp0Ubuntu
Fixed in:2.4+20121230.gitdf6c518-1ubuntu0.1USN-3283-1

This Ubuntu release reached end-of-life on 2019-04-02.

librtmp1Ubuntu
Fixed in:2.4+20151223.gitfa8646d-1ubuntu0.1USN-3283-1

This Ubuntu release reached end-of-life on 2021-04-02.

rtmpdumpUbuntu
Fixed in:2.4+20121230.gitdf6c518-1ubuntu0.1USN-3283-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:2.4+20151223.gitfa8646d-1ubuntu0.1USN-3283-1

This Ubuntu release reached end-of-life on 2021-04-02.

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.92%probability of exploitation in 30 days
93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-123 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2026-43284High7.893%-Fix
CVE-2026-43500High7.893%-Fix
CVE-2026-46300High7.89.3%-Fix
CVE-2017-10994High7.34.9%--
CVE-2025-55298High7.54.5%-Fix
CVE-2014-5435Critical9.83.5%-Fix

Common questions

How do I fix CVE-2015-8271?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2015-8271 being actively exploited?

Not that we know of. CVE-2015-8271 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 5.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 93% of all scored CVEs.

How severe is CVE-2015-8271?

CVE-2015-8271 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-8271 affect?

Published advisories record a fix for rtmpdump (Debian), librtmp0 (Ubuntu), librtmp1 (Ubuntu), rtmpdump (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.