CVE-2018-5178
High
CVE-2018-5178
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
Exploit probability
5.1%
Published
June 11, 2018
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-5178
View original source
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
05 / REFERENCES
Further evidence
- http://www.securityfocus.com/bid/104138
- http://www.securitytracker.com/id/1040898
- https://access.redhat.com/errata/RHSA-2018:1414
- https://access.redhat.com/errata/RHSA-2018:1415
- https://access.redhat.com/errata/RHSA-2018:1725
- https://access.redhat.com/errata/RHSA-2018:1726
- https://bugzilla.mozilla.org/show_bug.cgi?id=1443891
- https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
- https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3660-1/
- https://www.debian.org/security/2018/dsa-4199
- https://www.debian.org/security/2018/dsa-4209
- https://www.mozilla.org/security/advisories/mfsa2018-12/
- https://www.mozilla.org/security/advisories/mfsa2018-13/