Vulnerability in Mozilla Firefox

CVE-2023-25742

When importing a SPKI RSA public key as ECDSA P-256, the key would be handled incorrectly causing the tab to crash. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

References

Frequently asked questions

What is CVE-2023-25742?
CVE-2023-25742 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2023-06-02.
How severe is CVE-2023-25742?
Medium severity. CVSS v3 base score is 6.5 out of 10.