CVE-2017-5398

high-risk
Published 2018-06-11

Memory safety bugs were reported in Thunderbird 45.7. Some of 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 < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Do I need to act?

~
3.3% 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 (19)

Affected Vendors

Debian Redhat Mozilla

References (28)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0459.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0461.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0498.html
Third Party Advisory http://www.securityfocus.com/bid/96651
Third Party Advisory http://www.securitytracker.com/id/1037966
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1332550%2C1332597%2C1338383%2C13...
Third Party Advisory https://security.gentoo.org/glsa/201705-06
Third Party Advisory https://security.gentoo.org/glsa/201705-07
Third Party Advisory https://www.debian.org/security/2017/dsa-3805
Third Party Advisory https://www.debian.org/security/2017/dsa-3832
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-05/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-06/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-07/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-09/
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0459.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0461.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2017-0498.html
Third Party Advisory http://www.securityfocus.com/bid/96651
Third Party Advisory http://www.securitytracker.com/id/1037966
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1332550%2C1332597%2C1338383%2C13...
and 8 more references
58
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 19/34 · Moderate