CVE-2017-5390

Name: CVE-2017-5390
Creator: NVD / NIST
Published: 2018-06-11T21:29:03.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.96%

Last modified Jun 17, 2026

CVE-2017-5390 is a vulnerability of currently unknown severity. The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege escalation. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.. EPSS estimates a 3.96% chance of exploitation in the next 30 days.

Description

The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege escalation. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Metrics

EPSS Probability

3.96%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	8.0
Redhat	Enterprise Linux	5.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
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 Server Aus	7.3
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Eus	7.3
Redhat	Enterprise Linux Server Eus	7.4
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Workstation	5.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Mozilla	Thunderbird	< 45.7.0
Mozilla	Firefox	< 51.0
Mozilla	Firefox	< 45.7.0

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/95769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1297361Issue Tracking, Patch, Vendor Advisory
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/95769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037693Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1297361Issue Tracking, Patch, Vendor Advisory
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-2017-5390?

How severe is CVE-2017-5390?

Severity scoring for CVE-2017-5390 is pending analysis. The EPSS model estimates a 3.96% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5390?

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-2017-5390?

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

Scan your code now

Source: NVD / NIST