CVE-2022-1475

Process crash via unchecked G.729 channel count

Published May 2, 2022 · Updated Aug 3, 2024

Integer overflow in FFmpeg 4.2 through 4.4.1 and 5.0 allows local users to crash the process via a crafted G.729 file. The g729_parse function multiplies the parser block size by an unchecked channel count, allowing signed integer overflow and an assertion failure. Triggering requires processing attacker-supplied G.729 content; the documented consequence is interruption of that FFmpeg process.

CVSS severity5.5
Medium
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer overflow in FFmpeg 4.2 through 4.4.1 and 5.0 allows local users to crash the process via a crafted G.729 file. The g729_parse function multiplies the parser block size by an unchecked channel count, allowing signed integer overflow and an assertion failure. Triggering requires processing attacker-supplied G.729 content; the documented consequence is interruption of that FFmpeg process.

The record

CVE
CVE-2022-1475
Published
May 2, 2022
Updated
Aug 3, 2024
Vendor
FFmpeg
Product
FFmpeg
Classifications
CWE-190, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 2, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before 4.4.2
  2. Affected versionversion=before 5.0.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

FFmpeg · FFmpegversion=before 4.4.2; version=before 5.0.1

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-190Integer Overflow or Wraparound
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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