CVE-2018-15822

Name: CVE-2018-15822
Creator: NVD / NIST
Published: 2018-08-23T23:29:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.27%

Last modified Jun 17, 2026

CVE-2018-15822 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.. EPSS estimates a 3.27% chance of exploitation in the next 30 days.

Description

The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.27%

86.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Ffmpeg	Ffmpeg	<= 2.8
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10
Canonical	Ubuntu Linux	19.04
Canonical	Ubuntu Linux	20.04

References

https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/May/60Mailing List, Third Party Advisory
https://usn.ubuntu.com/3967-1/Third Party Advisory
https://usn.ubuntu.com/4431-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4449Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/May/60Mailing List, Third Party Advisory
https://usn.ubuntu.com/3967-1/Third Party Advisory
https://usn.ubuntu.com/4431-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4449Third Party Advisory

Timeline

Published: Aug 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-15822?

The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.

How severe is CVE-2018-15822?

CVE-2018-15822 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.27% probability of exploitation in the next 30 days.

How do I fix CVE-2018-15822?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-15822?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST