CVE-2017-7828

HIGH

Description

A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

References

http://www.securityfocus.com/bid/101832

http://www.securitytracker.com/id/1039803

https://access.redhat.com/errata/RHSA-2017:3247

https://access.redhat.com/errata/RHSA-2017:3372

https://bugzilla.mozilla.org/show_bug.cgi?id=1406750

https://bugzilla.mozilla.org/show_bug.cgi?id=1412252

https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html

https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html

https://www.debian.org/security/2017/dsa-4035

https://www.debian.org/security/2017/dsa-4061

https://www.debian.org/security/2017/dsa-4075

https://www.mozilla.org/security/advisories/mfsa2017-24/

https://www.mozilla.org/security/advisories/mfsa2017-25/

https://www.mozilla.org/security/advisories/mfsa2017-26/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-02

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL