Detections
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CVE-2019-9805

critical

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-19167

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

Details

Source: Mitre, NVD

Published: 2019-04-26

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00419