CVE-2019-11740

HIGH

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, Firefox ESR 68, and Firefox 60.8. 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, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

References (12)

Core 12
Core References
Issue Tracking, Not Applicable, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-25/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-27/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-26/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-29/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-30/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4150-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201911-07

Scores

CVSS v3 8.8
EPSS 0.0150
EPSS Percentile 81.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (8)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.04
mozilla/firefox < 60.9.0
mozilla/firefox_esr 68.0 - 68.1.0
mozilla/thunderbird < 60.9.0
opensuse/leap 15.0
opensuse/leap 15.1
Published Sep 27, 2019
Tracked Since Feb 18, 2026