CVE-2023-4573
Mozilla: Memory corruption in IPC CanvasTranslator
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 29, 2023
Updated · November 21, 2025
Description
The Mozilla Foundation Security Advisory describes this flaw as:
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.
Statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-416 · Use After Free