CVE-2017-5462

Name: CVE-2017-5462
Creator: NVD / NIST
Published: 2018-06-11T21:29:07.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.64%

Last modified Jun 17, 2026

CVE-2017-5462 is a vulnerability of currently unknown severity. A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. EPSS estimates a 2.64% chance of exploitation in the next 30 days.

Description

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox ESR 52.1 has been updated with NSS version 3.28.4. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Metrics

EPSS Probability

2.64%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-682

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	8.0
Mozilla	Firefox	< 45.9.0
Mozilla	Firefox	< 53.0
Mozilla	Firefox	52.0
Mozilla	Network Security Services	< 3.28.4
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://bugzilla.mozilla.org/show_bug.cgi?id=1345089Issue Tracking
https://security.gentoo.org/glsa/201705-04Third Party Advisory
https://www.debian.org/security/2017/dsa-3831Third Party Advisory
https://www.debian.org/security/2017/dsa-3872Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-11/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://bugzilla.mozilla.org/show_bug.cgi?id=1345089Issue Tracking
https://security.gentoo.org/glsa/201705-04Third Party Advisory
https://www.debian.org/security/2017/dsa-3831Third Party Advisory
https://www.debian.org/security/2017/dsa-3872Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-11/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-2017-5462?

How severe is CVE-2017-5462?

Severity scoring for CVE-2017-5462 is pending analysis. The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5462?

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-2017-5462?

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

Scan your code now

Source: NVD / NIST