CVE-2017-7753

MEDIUM

Description

An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

References

http://www.securityfocus.com/bid/100315

http://www.securitytracker.com/id/1039124

https://access.redhat.com/errata/RHSA-2017:2456

https://access.redhat.com/errata/RHSA-2017:2534

https://bugzilla.mozilla.org/show_bug.cgi?id=1353312

https://security.gentoo.org/glsa/201803-14

https://www.debian.org/security/2017/dsa-3928

https://www.debian.org/security/2017/dsa-3968

https://www.mozilla.org/security/advisories/mfsa2017-18/

https://www.mozilla.org/security/advisories/mfsa2017-19/

https://www.mozilla.org/security/advisories/mfsa2017-20/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-03

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 6.4

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

Impact Score: 4.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 9.1

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

Impact Score: 5.2

Exploitability Score: 3.9

Severity: CRITICAL