CVE-2026-90815: Out-of-Bounds Read in FFmpeg
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.
AI Analysis
Technical Summary
This vulnerability in FFmpeg's libavfilter/vf_convolution.c component allows an out-of-bounds read via the setup_3x3 function. It affects multiple FFmpeg versions up to 4.4.6, 5.1.8, 6.1.4, 7.1.3, and 8.0.1. The flaw can be triggered remotely and has been publicly disclosed with exploit code available. The issue is fixed in versions 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1, and 9.0.
Potential Impact
An attacker can remotely trigger an out-of-bounds read in FFmpeg, potentially leading to information disclosure or application instability. The CVSS 4.0 base score is 5.3 (medium severity), indicating limited but notable impact without requiring privileges or user interaction.
Mitigation Recommendations
Upgrade FFmpeg to one of the fixed versions: 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1, or 9.0. This official fix addresses the out-of-bounds read vulnerability. No other mitigation is indicated.
CVE-2026-90815: Out-of-Bounds Read in FFmpeg
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.
CVSS v4.0
Score 5.3medium
Affected software
FFmpeg
pkg:github/ffmpeg/FFmpegcpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in FFmpeg's libavfilter/vf_convolution.c component allows an out-of-bounds read via the setup_3x3 function. It affects multiple FFmpeg versions up to 4.4.6, 5.1.8, 6.1.4, 7.1.3, and 8.0.1. The flaw can be triggered remotely and has been publicly disclosed with exploit code available. The issue is fixed in versions 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1, and 9.0.
Potential Impact
An attacker can remotely trigger an out-of-bounds read in FFmpeg, potentially leading to information disclosure or application instability. The CVSS 4.0 base score is 5.3 (medium severity), indicating limited but notable impact without requiring privileges or user interaction.
Mitigation Recommendations
Upgrade FFmpeg to one of the fixed versions: 4.4.7, 5.1.9, 6.1.5, 7.1.4, 8.0.2, 8.1.1, or 9.0. This official fix addresses the out-of-bounds read vulnerability. No other mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-13T16:31:59.613Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa852d855bf5e2cf58935a6
Added to database: 09/14/2026, 20:02:32 UTC
Last enriched: 09/14/2026, 20:17:12 UTC
Last updated: 09/15/2026, 04:01:22 UTC
Views: 7
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