CVE-2019-11734

CRITICAL

Mozilla Firefox <69 - Memory Corruption

Title source: llm
STIX 2.1

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69.

References (2)

Core 2
Core References
Issue Tracking, Not Applicable, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1536227%2C1557208%2C1560641
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-25/

Scores

CVSS v3 9.8
EPSS 0.0043
EPSS Percentile 62.9%
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-787
Status published
Products (1)
mozilla/firefox < 69.0
Published Sep 27, 2019
Tracked Since Feb 18, 2026