CVE-2017-5430

Name: CVE-2017-5430
Creator: NVD / NIST
Published: 2018-06-11T21:29:05.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.03%

Last modified Jun 17, 2026

CVE-2017-5430 is a vulnerability of currently unknown severity. 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. EPSS estimates a 3.03% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

3.03%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	7.0
Mozilla	Firefox	< 52.1.0
Mozilla	Firefox	< 53.0
Mozilla	Thunderbird	< 52.1.0

References

http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C1329796%2C1346419%2C1349621%2C1344081%2C1344305%2C1348143%2C1349719%2C1353476%2C1337418%2C1346140%2C1339722Issue Tracking
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/Vendor Advisory
http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C1329796%2C1346419%2C1349621%2C1344081%2C1344305%2C1348143%2C1349719%2C1353476%2C1337418%2C1346140%2C1339722Issue Tracking
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/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5430?

How severe is CVE-2017-5430?

Severity scoring for CVE-2017-5430 is pending analysis. The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5430?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5430?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST