CVE-2017-7782

Name: CVE-2017-7782
Creator: NVD / NIST
Published: 2018-06-11T21:29:08.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.08%

Last modified Jun 17, 2026

CVE-2017-7782 is a vulnerability of currently unknown severity. An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. Note: This attack only affects Windows operating systems. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Metrics

EPSS Probability

1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 52.3.0
Mozilla	Firefox	< 55.0
Mozilla	Thunderbird	< 52.3.0

References

http://www.securityfocus.com/bid/100243Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1344034Issue Tracking, Patch
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/Vendor Advisory
http://www.securityfocus.com/bid/100243Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1344034Issue Tracking, Patch
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-7782?

How severe is CVE-2017-7782?

Severity scoring for CVE-2017-7782 is pending analysis. The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7782?

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-2017-7782?

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

Scan your code now

Source: NVD / NIST