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Status published
Critical
CVE-2018-18500
A use-after-free vulnerability can occur while parsing an HTML5 stream...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2019:0219
- https://www.mozilla.org/security/advisories/mfsa2019-01/
- https://usn.ubuntu.com/3897-1/
- http://www.securityfocus.com/bid/106781
- https://security.gentoo.org/glsa/201903-04
- https://usn.ubuntu.com/3874-1/
- https://access.redhat.com/errata/RHSA-2019:0269
- https://access.redhat.com/errata/RHSA-2019:0218
- https://www.mozilla.org/security/advisories/mfsa2019-02/
- https://www.debian.org/security/2019/dsa-4376
- https://lists.debian.org/debian-lts-announce/2019/02/msg00024.html
- https://lists.debian.org/debian-lts-announce/2019/01/msg00025.html
- https://www.mozilla.org/security/advisories/mfsa2019-03/
- https://www.debian.org/security/2019/dsa-4392
- https://access.redhat.com/errata/RHSA-2019:0270
- https://security.gentoo.org/glsa/201904-07
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html
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Affected Vendor
mozilla
View all reports →Affected Software
firefox, firefox esr, thunderbird, ubuntu linux, debian linux, enterprise linux desktop, enterprise linux server, enterprise linux server aus, enterprise linux server eus, enterprise linux server tus, enterprise linux workstation
Vulnerable Versions:
0, 14.04, 16.04, 18.04, 18.10, 8.0, 9.0, 6.0, 7.0, 7.6
Timeline
Official Publish:
February 5th, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.