CVE-2026-90815

FFmpeg Convolution Filter vf_convolution.c setup_3x3 out-of-bounds

State: Published
Severity: 5.3 Medium
Published: Sep 14, 2026
Updated: Sep 15, 2026
Reserved: Sep 13, 2026

Description

A vulnerability has been found in FFmpeg up to 4.4.6/5.1.8/6.1.4/7.1.3/8.0.1. Affected by this issue is the function setup_3x3 of the file libavfilter/vf_convolution.c of the component Convolution Filter. Such manipulation leads to out-of-bounds read. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1 and 9.0 can resolve this issue. The name of the patch is 8970658472/e24b9820b4. It is suggested to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-125 Out-of-Bounds Read
CWE-119 Memory Corruption

Affected Products

Product	Versions
FFmpegn/a	4.4.0Affected 4.4.1Affected 4.4.2Affected 4.4.3Affected 4.4.4Affected 4.4.5Affected 4.4.6Affected 5.1.0Affected 5.1.1Affected 5.1.2Affected 5.1.3Affected 5.1.4Affected 5.1.5Affected 5.1.6Affected 5.1.7Affected 5.1.8Affected 6.1.0Affected 6.1.1Affected 6.1.2Affected 6.1.3Affected 6.1.4Affected 7.1.0Affected 7.1.1Affected 7.1.2Affected 7.1.3Affected and 9 more versions

References

VDB-403317 | FFmpeg Convolution Filter vf_convolution.c setup_3x3 out-of-boundsvdb-entrytechnical-description
VDB-403317 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-90815 | CVE Analysis and Reportthird-party-advisory
Submit #922609 | FFmpeg FFmpeg Affected versions: FFmpeg 3.0 and later, prior to the inclusion of commits 8970658472 and e24b9820b4 (merged around late Februar Out-of-Bounds Readthird-party-advisory
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21487exploitissue-tracking
https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/8970658472d1patch
https://ffmpeg.org/product

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