Vulnerability in Mozilla Firefox
CVE-2019-9805
A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, leading to potential memory corruption. This vulnerability affects Firefox < 66.
EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_MISC, Vendor Advisory)
- security@mozilla.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-9805?
- CVE-2019-9805 is a critical-severity vulnerability in Mozilla Firefox, classified under Use of Uninitialized Resource. CVSS score: 9.8/10. Published 2019-04-26.
- How severe is CVE-2019-9805?
- Critical severity. CVSS v3 base score is 9.8 out of 10.