CVE-2018-5144

high-risk
Published 2018-06-11

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

Do I need to act?

~
5.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

Affected Products (18)

Affected Vendors

Debian Redhat Mozilla Canonical

References (32)

Third Party Advisory http://www.securityfocus.com/bid/103384
Third Party Advisory http://www.securitytracker.com/id/1040514
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0526
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0527
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0647
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0648
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1440926
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html
Third Party Advisory https://security.gentoo.org/glsa/201810-01
Third Party Advisory https://security.gentoo.org/glsa/201811-13
Third Party Advisory https://usn.ubuntu.com/3545-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4139
Third Party Advisory https://www.debian.org/security/2018/dsa-4155
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-07/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-09/
Third Party Advisory http://www.securityfocus.com/bid/103384
Third Party Advisory http://www.securitytracker.com/id/1040514
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0526
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0527
and 12 more references
54
/ 100
high-risk
Severity 26/34 · High
Exploitability 9/34 · Low
Exposure 19/34 · Moderate