Detections
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CVE-2026-5732

high

Description

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

References

https://www.mozilla.org/security/advisories/mfsa2026-29/

https://www.mozilla.org/security/advisories/mfsa2026-28/

https://www.mozilla.org/security/advisories/mfsa2026-27/

https://www.mozilla.org/security/advisories/mfsa2026-25/

https://bugzilla.mozilla.org/show_bug.cgi?id=2017867

Details

Source: Mitre, NVD

Published: 2026-04-07

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00039