CVE-2017-7752

Name: CVE-2017-7752
Creator: NVD / NIST
Published: 2018-06-11T21:29:07.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.03%

Last modified Jun 17, 2026

CVE-2017-7752 is a vulnerability of currently unknown severity. A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. EPSS estimates a 2.03% chance of exploitation in the next 30 days.

Description

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Metrics

EPSS Probability

2.03%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
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	6.0
Redhat	Enterprise Linux Workstation	7.0
Mozilla	Firefox	< 54.0
Mozilla	Firefox	< 52.2.0
Mozilla	Thunderbird	< 52.2.0

References

http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1440Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1561Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1359547Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-3881Third Party Advisory
https://www.debian.org/security/2017/dsa-3918Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/Vendor Advisory
http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1440Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1561Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1359547Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-3881Third Party Advisory
https://www.debian.org/security/2017/dsa-3918Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-7752?

How severe is CVE-2017-7752?

Severity scoring for CVE-2017-7752 is pending analysis. The EPSS model estimates a 2.03% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7752?

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-2017-7752?

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

Scan your code now

Source: NVD / NIST