CVE-2018-5145

high-risk
Published 2018-06-11

Memory safety bugs were reported in Firefox ESR 52.6. These bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

Do I need to act?

~
3.9% 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
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Debian Redhat Mozilla Canonical

References (30)

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/buglist.cgi?bug_id=1261175%2C1348955
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/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
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0647
and 10 more references
59
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 20/34 · Moderate