CVE-2019-9805

CRITICAL

Firefox < 66.0 - Memory Corruption via Uninitialized Memory Read in Prio Library

Title source: llm
STIX 2.1

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 (2)

Core 2
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1521360

Scores

CVSS v3 9.8
EPSS 0.0042
EPSS Percentile 62.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-908
Status published
Products (1)
mozilla/firefox < 66.0
Published Apr 26, 2019
Tracked Since Feb 18, 2026