CVE-2019-11746

MEDIUM

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

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1564449

https://usn.ubuntu.com/4150-1/

https://www.mozilla.org/security/advisories/mfsa2019-25/

https://www.mozilla.org/security/advisories/mfsa2019-26/

https://www.mozilla.org/security/advisories/mfsa2019-27/

https://www.mozilla.org/security/advisories/mfsa2019-29/

https://www.mozilla.org/security/advisories/mfsa2019-30/

Details

Source: MITRE

Published: 2019-09-27

Updated: 2019-10-04

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH