Sandbox escape due to integer overflow in the Graphics component
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.7%
exploitation probability
0.7%top 50% of all CVEs
observed exploitation
nono source reports it
Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
https://access.redhat.com/errata/RHSA-2026:0667https://access.redhat.com/errata/RHSA-2026:0694https://access.redhat.com/errata/RHSA-2026:0924https://access.redhat.com/errata/RHSA-2026:1320https://access.redhat.com/errata/RHSA-2026:1413https://access.redhat.com/errata/RHSA-2026:1414https://access.redhat.com/errata/RHSA-2026:1415https://access.redhat.com/errata/RHSA-2026:1461https://access.redhat.com/errata/RHSA-2026:1462https://access.redhat.com/errata/RHSA-2026:1471https://access.redhat.com/errata/RHSA-2026:1487https://access.redhat.com/errata/RHSA-2026:2041