CVE-2017-5373

Name: CVE-2017-5373
Creator: NVD / NIST
Published: 2018-06-11T21:29:02.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.29%

Last modified Jun 17, 2026

CVE-2017-5373 is a vulnerability of currently unknown severity. Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. 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 3.29% chance of exploitation in the next 30 days.

Description

Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. 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 < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Metrics

EPSS Probability

3.29%

86.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 45.7.0
Mozilla	Firefox	< 51.0
Mozilla	Thunderbird	< 45.7.0
Debian	Debian Linux	8.0
Redhat	Enterprise Linux Desktop	5.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	5.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	5.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://rhn.redhat.com/errata/RHSA-2017-0190.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.htmlThird Party Advisory
http://www.securityfocus.com/bid/95762Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1322315%2C1328834%2C1322420%2C1285833%2C1285960%2C1328251%2C1331058%2C1325938%2C1325877Issue Tracking
https://security.gentoo.org/glsa/201702-13Third Party Advisory
https://security.gentoo.org/glsa/201702-22Third Party Advisory
https://www.debian.org/security/2017/dsa-3771Third Party Advisory
https://www.debian.org/security/2017/dsa-3832Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-03/Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.htmlThird Party Advisory
http://www.securityfocus.com/bid/95762Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1322315%2C1328834%2C1322420%2C1285833%2C1285960%2C1328251%2C1331058%2C1325938%2C1325877Issue Tracking
https://security.gentoo.org/glsa/201702-13Third Party Advisory
https://security.gentoo.org/glsa/201702-22Third Party Advisory
https://www.debian.org/security/2017/dsa-3771Third Party Advisory
https://www.debian.org/security/2017/dsa-3832Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-03/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-5373?

How severe is CVE-2017-5373?

Severity scoring for CVE-2017-5373 is pending analysis. The EPSS model estimates a 3.29% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5373?

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-2017-5373?

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

Scan your code now

Source: NVD / NIST