CVE-2024-7521

Incomplete WebAssembly exception handing could have led to a use-after-free

Critical · published August 6, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00616 · 48.8th percentile
Published
2024-08-06T12:38Z
EPSS history
Timeline
  • 06 AUG 12:38Z
    Incomplete WebAssembly exception handing could have led to a use-after-free
    cvelistv5