CVE-2019-11746

HIGH

Firefox < 69 and Firefox ESR < 60.9, 68.1 - Use-After-Free in Video Element Handling

Title source: llm
STIX 2.1

Description

A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potentially exploitable crash. 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, Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1564449
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/
Vendor 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 0.0065
EPSS Percentile 71.1%
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-416
Status published
Products (3)
mozilla/firefox < 60.9.0
mozilla/firefox_esr 68.0 - 68.1.0
mozilla/thunderbird < 60.9.0
Published Sep 27, 2019
Tracked Since Feb 18, 2026