CVE-2026-90815

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

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 07:45 PM UTC
Updated: September 15, 2026 at 03:17 PM UTC
1 product affected across 1 vendorFFMPEG

Using FFmpeg by N/A?

Get instant alerts when new vulnerabilities affect FFmpeg - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

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

Vendor states this is fixed in 4.4.7 (unaffected)
Vendor states this is fixed in 5.1.9 (unaffected)
Vendor states this is fixed in 6.1.5 (unaffected)
Vendor states this is fixed in 7.1.4 (unaffected)
Vendor states this is fixed in 8.0.2 (unaffected)
Vendor states this is fixed in 8.1.1 (unaffected)
Vendor states this is fixed in 9.0 (unaffected)

Remediation

No guide yet

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

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403317
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403317/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90815
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/922609
ExploitIssue Tracking
Source: cverecord
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21487
Product
Source: cverecord
https://ffmpeg.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-125CWE-119

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card