What is CVE-2024-3862?

CVE-2024-3862 is a medium-severity vulnerability in Mozilla Firefox, classified under Use of Uninitialized Resource. CVSS score: 5.3/10. Published 2024-04-16.

How severe is CVE-2024-3862?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2024-3862

The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.

EPSS: 0.004 (29.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

security@mozilla.org (Issue Tracking)
security@mozilla.org (Vendor Advisory)

Frequently asked questions

What is CVE-2024-3862?: CVE-2024-3862 is a medium-severity vulnerability in Mozilla Firefox, classified under Use of Uninitialized Resource. CVSS score: 5.3/10. Published 2024-04-16.
How severe is CVE-2024-3862?: Medium severity. CVSS v3 base score is 5.3 out of 10.