CVEvulnerability

CVE-2019-9805

9.8 CRITICAL Published 2019-04-26 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2019-04-26
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses: CWE-908

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.

Affected configurations

• mozilla firefox (< 66.0)

Weakness · CWE (1)

CWE-908 Use of Uninitialized Resource weakness

Referenced by CWE · observed example (3)

CWE-691 Insufficient Control Flow Management weakness
CWE-696 Incorrect Behavior Order weakness
CWE-908 Use of Uninitialized Resource weakness

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1521360 Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-07/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1521360 Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-07/ Vendor Advisory