CVE-2023-4046

MEDIUM

Firefox < 116 - Denial of Service via WASM JIT Analysis

Title source: llm
STIX 2.1

Description

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Scores

CVSS v3 5.3
EPSS 0.0021
EPSS Percentile 43.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (3)
debian/debian_linux 11.0
debian/debian_linux 12.0
mozilla/firefox < 116.0
Published Aug 01, 2023
Tracked Since Feb 18, 2026