What is CVE-2020-15674?

CVE-2020-15674 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Locking. CVSS score: 8.8/10. Published 2020-10-01.

How severe is CVE-2020-15674?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Mozilla Firefox

CVE-2020-15674

Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulner…

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

References

security@mozilla.org (x_refsource_MISC, Release Notes, Vendor Advisory)
security@mozilla.org (x_refsource_MISC, Issue Tracking, Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2020-15674?: CVE-2020-15674 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Locking. CVSS score: 8.8/10. Published 2020-10-01.
How severe is CVE-2020-15674?: High severity. CVSS v3 base score is 8.8 out of 10.