CVE-2017-5403

critical

Description

When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.

References

https://www.mozilla.org/security/advisories/mfsa2017-09/

https://www.mozilla.org/security/advisories/mfsa2017-05/

https://bugzilla.mozilla.org/show_bug.cgi?id=1340186

http://www.securitytracker.com/id/1037966

http://www.securityfocus.com/bid/96691

Details

Source: Mitre, NVD

Published: 2018-06-11

Updated: 2018-08-07

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical