CVE-2026-6783

MEDIUM

5.3

Description

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/21/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:thunderbird

Weaknesses (CWE)

CWE-190

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2027564(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-30/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-33/(security@mozilla.org)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.