CVE-2018-18500

Description

A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.

References

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html

http://www.securityfocus.com/bid/106781

https://access.redhat.com/errata/RHSA-2019:0218

https://access.redhat.com/errata/RHSA-2019:0219

https://access.redhat.com/errata/RHSA-2019:0269

https://access.redhat.com/errata/RHSA-2019:0270

https://lists.debian.org/debian-lts-announce/2019/01/msg00025.html

https://lists.debian.org/debian-lts-announce/2019/02/msg00024.html

https://security.gentoo.org/glsa/201903-04

https://security.gentoo.org/glsa/201904-07

https://usn.ubuntu.com/3874-1/

https://usn.ubuntu.com/3897-1/

https://www.debian.org/security/2019/dsa-4376

https://www.debian.org/security/2019/dsa-4392

https://www.mozilla.org/security/advisories/mfsa2019-01/

https://www.mozilla.org/security/advisories/mfsa2019-02/

https://www.mozilla.org/security/advisories/mfsa2019-03/

Details

Risk Information

CVSS v2

CVSS v3