CVE-2017-5430

moderate-risk
Published 2018-06-11

Memory safety bugs were reported in Firefox 52, Firefox ESR 52, and Thunderbird 52. 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 Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Do I need to act?

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0.75% chance of exploitation
EPSS score — low exploit probability
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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 (5)

Affected Vendors

Redhat Mozilla

References (14)

Third Party Advisory http://www.securityfocus.com/bid/97940
Third Party Advisory http://www.securitytracker.com/id/1038320
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1106
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C13...
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-10/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-12/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-13/
Third Party Advisory http://www.securityfocus.com/bid/97940
Third Party Advisory http://www.securitytracker.com/id/1038320
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:1106
Issue Tracking https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C13...
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-10/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-12/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2017-13/
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 12/34 · Low