CVE-2024-4774 — Reliance on Undefined, Unspecified, or Implementation-Defined Behavior in Mozilla Firefox
CWE-758 — Reliance on Undefined, Unspecified, or Implementation-Defined Behavior10 documents7 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.0%
top 89.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 14
Latest updateMay 29
Description
The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LExploitability: 3.9 | Impact: 2.5
Affected Packages3 packages
🔴Vulnerability Details
5OSV▶
CVE-2024-4774: The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members↗2024-05-14
GHSA▶
GHSA-36cp-x9pq-r87w: The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members↗2024-05-14
CVEList▶
CVE-2024-4774: The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members↗2024-05-14