CVE-2017-7757: Use After Free
First published: Tue Jun 13 2017(Updated: )
A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. This results in a potentially exploitable crash.
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 |
| Firefox | <54.0 | |
| Firefox ESR | <52.2.0 | |
| Thunderbird | <52.2.0 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Firefox | <54 | 54 |
| Firefox ESR | <52.2 | 52.2 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1356824
- 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-2017-7757
- https://bugzilla.redhat.com/show_bug.cgi?id=1461259
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7757
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-17/#CVE-2017-7757
- https://security-tracker.debian.org/tracker/CVE-2017-7757
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-2017-7757?
CVE-2017-7757 has been classified as a potentially exploitable crash due to the use-after-free vulnerability.
How do I fix CVE-2017-7757?
To fix CVE-2017-7757, users should update to Firefox version 54 or later, Firefox ESR version 52.2 or later, or Thunderbird version 52.2 or later.
Which versions of Firefox are affected by CVE-2017-7757?
Affected versions of Firefox are those prior to version 54.
Is Thunderbird vulnerable to CVE-2017-7757?
Yes, Thunderbird versions prior to 52.2 are vulnerable to CVE-2017-7757.
What causes the vulnerability identified as CVE-2017-7757?
CVE-2017-7757 is caused by a use-after-free issue in IndexedDB when an object is destroyed while a method is still executing.
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