CVE-2022-45406 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
OSV8.1OSV6.5
EPSS
0.4%
top 38.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 22
Latest updateFeb 6
Description
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages9 packages
🔴Vulnerability Details
5OSV▶
CVE-2022-45406: If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseS↗2022-12-22
CVEList▶
CVE-2022-45406: If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseS↗2022-12-22
GHSA▶
GHSA-h3mp-j53v-44vx: If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseS↗2022-12-22
📋Vendor Advisories
7Debian▶
CVE-2022-45406: firefox - If an out-of-memory condition occurred when creating a JavaScript global, a Java...↗2022