CVE-2017-5418

Name: CVE-2017-5418
Creator: NVD / NIST
Published: 2018-06-11T21:29:05.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.28%

Last modified Jun 17, 2026

CVE-2017-5418 is a vulnerability of currently unknown severity. An out of bounds read error occurs when parsing some HTTP digest authorization responses, resulting in information leakage through the reading of random memory containing matches to specifically set patterns. This vulnerability affects Firefox < 52 and Thunderbird < 52.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

Description

An out of bounds read error occurs when parsing some HTTP digest authorization responses, resulting in information leakage through the reading of random memory containing matches to specifically set patterns. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Metrics

EPSS Probability

1.28%

66.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 52.0
Mozilla	Thunderbird	< 52.0

References

http://www.securityfocus.com/bid/96692Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037966Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1338876Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-09/Vendor Advisory
http://www.securityfocus.com/bid/96692Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037966Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1338876Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-09/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-5418?

How severe is CVE-2017-5418?

Severity scoring for CVE-2017-5418 is pending analysis. The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5418?

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-2017-5418?

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

Scan your code now

Source: NVD / NIST