CVE-2023-4576

2023-09-1100:00:00

ubuntu.com

windows

integer overflow

firefox

heap buffer overflow

sensitive data

sandbox escape

vulnerability

thunderbird

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.7%

JSON

On Windows, an integer overflow could occur in
RecordedSourceSurfaceCreation which resulted in a heap buffer overflow
potentially leaking sensitive data that could have led to a sandbox escape.
This bug only affects Firefox on Windows. Other operating systems are
unaffected. This vulnerability affects Firefox < 117, Firefox ESR <
102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Notes

Author	Note
tyhicks	mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur	starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap