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Fencer Vulns
medium 5.3

CVE-2022-3341 json

A null pointer dereference issue was discovered in 'FFmpeg' in `decode_main_header()` function of...

published 2023-01-12 3 y ago modified 2026-07-23 3 mo ago also EUVD-2022-42728 , JLSEC-2025-122

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

A null pointer dereference issue was discovered in 'FFmpeg' in decode_main_header() function of libavformat/nutdec.c file. The flaw occurs because the function lacks check of the return value of avformat_new_stream() and triggers the null pointer dereference error, causing an application to crash.

Patch / fix

  • julia FFMPEG_jll 6.1.1+0
  • julia FFplay_jll 7.1.0+0
  • ffmpeg ffmpeg 5.0.3
  • ffmpeg Debian 14, Debian 13, Debian 12 7:5.1-1

debian advisories DEBIAN-CVE-2022-3341

  • ffmpeg Ubuntu Pro 16.04 LTS 7:2.8.17-0ubuntu0.1+esm5
  • ffmpeg Ubuntu Pro 18.04 LTS 7:3.4.11-0ubuntu0.1+esm1
  • ffmpeg Ubuntu Pro 20.04 LTS 7:4.2.7-0ubuntu0.1+esm1
  • ffmpeg Ubuntu Pro 22.04 LTS 7:4.4.2-0ubuntu0.22.04.1+esm1

ubuntu advisories UBUNTU-CVE-2022-3341

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

  • ffmpeg SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS +1 more 3.4.2-150000.4.53.2
  • ffmpeg SLE Workstation Extension 15 SP4, SLE Real Time 15 SP3, SLE Module for Package Hub 15 SP4 +2 more 3.4.2-150200.11.25.1
  • ffmpeg-4 SLE Workstation Extension 15 SP4, SLE Module for Package Hub 15 SP4, SLE Module for Desktop Applications 15 SP4 +1 more 4.4-150400.3.11.1

suse advisories SUSE-SU-2023:2115-1SUSE-SU-2023:0206-1SUSE-SU-2023:0172-1

  • ffmpeg-4 openSUSE Tumbleweed 4.4.3-4.1

opensuse advisories openSUSE-SU-2024:12636-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-3341 updated cvss 5.5

ffmpeg: null pointer dereference in decode_main_header() in libavformat/nutdec.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 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 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
julia FFMPEG_jll
<6.1.1+0
6.1.1+0
julia FFplay_jll
<7.1.0+0
7.1.0+0

Affected products

  • n/a FFmpeg

Classification

Weakness

References

Sources

Fencer Vulns 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.