CVE-2022-3964

ffmpeg QuickTime RPZA Video Encoder rpzaenc.c out-of-bounds

HIGH
8.1
CVSS Score
Published: November 13, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:00 AM UTC
1 product affected across 1 vendorFFMPEG

Using ffmpeg by unspecified?

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Severity
HIGH8.1
Exploit prediction
EPSS 4%

Description

A vulnerability classified as problematic has been found in ffmpeg. This affects an unknown part of the file libavcodec/rpzaenc.c of the component QuickTime RPZA Video Encoder. The manipulation of the argument y_size leads to out-of-bounds read. It is possible to initiate the attack remotely. The name of the patch is 92f9b28ed84a77138105475beba16c146bdaf984. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-213543.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.4 ≤ v < 4.4.45.0 ≤ v < 5.0.35.1 ≤ v < 5.1.3
Affected range stops below 4.4.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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