FFmpeg HEVC Video Decoder memory corruption

published 2022-06-18 4y ago modified 2026-06-17 4mo ago also EUVD-2014-1188

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

A vulnerability classified as problematic was found in FFmpeg 2.0. Affected by this vulnerability is an unknown functionality of the component HEVC Video Decoder. The manipulation leads to memory corruption. The attack can be launched remotely. It is recommended to apply a patch to fix this issue.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: last yr. (2025-04-14)

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

unspecified FFmpeg

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787 Out-of-bounds Write

References

git.videolan.org /?p=ffmpeg.git%3Ba=commit%3Bh=d1e6602665
vuldb.com /?id.12367
third-party-advisory, vdb-entry

Sources

CVE List CVE-2014-125014
NVD CVE-2014-125014

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