CVE-2017-7752: Use After Free
First published: Tue Jun 13 2017(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firefox | 118.0.2-1 | |
| debian/firefox-esr | 91.12.0esr-1~deb10u1 115.3.1esr-1~deb10u1 102.15.0esr-1~deb11u1 115.3.1esr-1~deb11u1 102.15.1esr-1~deb12u1 115.3.0esr-1~deb12u1 115.3.0esr-1 | |
| Thunderbird | <52.2 | 52.2 |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Red Hat Enterprise Linux | =6.0 | |
| Red Hat Enterprise Linux | =7.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.5 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| Firefox | <54.0 | |
| Firefox ESR | <52.2.0 | |
| Thunderbird | <52.2.0 | |
| Firefox | <54 | 54 |
| Firefox ESR | <52.2 | 52.2 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1359547
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-17/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/
- http://www.securityfocus.com/bid/99057
- http://www.securitytracker.com/id/1038689
- https://access.redhat.com/errata/RHSA-2017:1440
- https://access.redhat.com/errata/RHSA-2017:1561
- https://www.debian.org/security/2017/dsa-3881
- https://www.debian.org/security/2017/dsa-3918
- https://www.mozilla.org/security/advisories/mfsa2017-15/
- https://www.mozilla.org/security/advisories/mfsa2017-16/
- https://www.mozilla.org/security/advisories/mfsa2017-17/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7752
- https://bugzilla.redhat.com/show_bug.cgi?id=1461256
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7752
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-17/#CVE-2017-7752
- https://security-tracker.debian.org/tracker/CVE-2017-7752
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2017-5472
- CVE-2017-7749
- CVE-2017-7750
- CVE-2017-7751
- CVE-2017-7755
- CVE-2017-7752
- CVE-2017-7754
- CVE-2017-7756
- CVE-2017-7757
- CVE-2017-7778
- CVE-2017-7758
- CVE-2017-7763
- CVE-2017-7764
- CVE-2017-7765
- CVE-2017-5470
- CVE-2017-7759
- CVE-2017-7760
- CVE-2017-7761
- CVE-2017-7762
- CVE-2017-7766
- CVE-2017-7767
- CVE-2017-7768
- CVE-2017-7770
- CVE-2017-5471
Frequently Asked Questions
What is the severity of CVE-2017-7752?
CVE-2017-7752 has a severity rating that indicates it could potentially lead to a crash and may be exploitable under certain conditions.
How do I fix CVE-2017-7752?
To fix CVE-2017-7752, upgrade to the latest version of affected software such as Firefox versions 118.0.2-1 or Firefox ESR versions 91.12.0esr-1~deb10u1.
What software is affected by CVE-2017-7752?
CVE-2017-7752 affects Mozilla Firefox, Firefox ESR, and Thunderbird, specifically older versions up to 54.0 and 52.2 respectively.
How can CVE-2017-7752 be exploited?
CVE-2017-7752 can be exploited through specific user interactions with the input method editor (IME) in some languages.
What impact does CVE-2017-7752 have on users?
The impact of CVE-2017-7752 may include application crashes, which could lead to data loss or expose users to potential attacks.
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