CVE-2019-9805

HIGH

Description

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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1521360

https://www.mozilla.org/security/advisories/mfsa2019-07/

Details

Source: MITRE

Published: 2019-04-26

Updated: 2020-08-24

Type: CWE-908

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL