CVE-2026-6783

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

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

Vulnerability Description

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

Vulnerability Details

Published Date

April 21, 2026

Last Modified

April 22, 2026

CWE ID

CWE-190

Source

NVD

Vendor

mozilla

Product

firefox

External References

https://bugzilla.mozilla.org/show_bug.cgi?id=2027564
https://www.mozilla.org/security/advisories/mfsa2026-30/

CVE-2026-6783

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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