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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in ffmpeg (Multimedia Processing Software) (the affected version unknown). This affects an unknown functionality of the file libavcodec/rpzaenc.c of the component QuickTime RPZA Video Encoder. The manipulation of the argument y_size with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The software reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability.

The weakness was presented 11/13/2022 as 92f9b28ed84a77138105475beba16c146bdaf984. It is possible to read the advisory at git.ffmpeg.org. This vulnerability is uniquely identified as CVE-2022-3964. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 92f9b28ed84a77138105475beba16c146bdaf984 is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 92f9b28ed84a77138105475beba16c146bdaf984


11/13/2022 Advisory disclosed
11/13/2022 +0 days CVE reserved
11/13/2022 +0 days VulDB entry created
12/17/2022 +34 days VulDB last update


Product: ffmpeg.org

Advisory: 92f9b28ed84a77138105475beba16c146bdaf984
Status: Confirmed

CVE: CVE-2022-3964 (🔒)


Created: 11/13/2022 08:40 AM
Updated: 12/17/2022 02:10 PM
Changes: 11/13/2022 08:40 AM (42), 12/17/2022 02:10 PM (3)
Complete: 🔍


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