CVE-2023-4573 Information

Description

When receiving rendering data over IPC mStream could have been destroyed when initialized which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117 Firefox ESR < 102.15 Firefox ESR < 115.2 Thunderbird < 102.15 and Thunderbird < 115.2.

CVSS Vector

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

Reference

https://www.mozilla.org/security/advisories/mfsa2023-34/ https://www.mozilla.org/security/advisories/mfsa2023-36/ https://www.mozilla.org/security/advisories/mfsa2023-35/ https://bugzilla.mozilla.org/show_bug.cgi?id=1846687 https://www.mozilla.org/security/advisories/mfsa2023-38/ https://www.mozilla.org/security/advisories/mfsa2023-37/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5