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Fencer Vulns
high 8.0

CVE-2023-49501 json

Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the config_eq_output fun…

published 2024-04-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53459

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the config_eq_output function in the libavfilter/asrc_afirsrc.c:495:30 component.

Patch / fix

  • ffmpeg ffmpeg 6.1.3
  • ffmpeg Debian 14, Debian 13 7:7.0.1-3

debian advisories DEBIAN-CVE-2023-49501

  • ffmpeg Ubuntu Pro 24.04 LTS 7:6.1.1-3ubuntu5+esm1

ubuntu advisories UBUNTU-CVE-2023-49501

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-6 openSUSE Tumbleweed 6.1.1-4.1

opensuse advisories openSUSE-SU-2024:13895-1

  • ffmpeg Alpine 3.24, Alpine 3.23 7.1.1-r0

alpine advisories ALPINE-CVE-2023-49501

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2023-49501 updated

ffmpeg: multiple vulnerabilities

  • 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
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • trac.ffmpeg.org https://trac.ffmpeg.org/ticket/10686#no1 referenced PoC, tagged "exploit" by a source, unverified
  • trac.ffmpeg.org https://trac.ffmpeg.org/ticket/10686 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CNA 3.1 8.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected products

  • ffmpeg ffmpeg

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Add more accurate affected version ranges.