critical9.8
CVE-2017-7800
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished.
Impact
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Debian | Debian Linux | Versions 8.0, 9.0 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Desktop | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server Aus | Versions 7.3, 7.4 |
| Redhat | Enterprise Linux Server Eus | Versions 7.3, 7.4, 7.5 |
| Redhat | Enterprise Linux Workstation | Versions 6.0, 7.0 |
| Mozilla | Firefox | before 55.0 before 52.3.0 |
| Mozilla | Thunderbird | before 52.3.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/100196
- http://www.securitytracker.com/id/1039124
- https://access.redhat.com/errata/RHSA-2017:2456
- https://access.redhat.com/errata/RHSA-2017:2534
- https://bugzilla.mozilla.org/show_bug.cgi?id=1374047
- https://security.gentoo.org/glsa/201803-14
- https://www.debian.org/security/2017/dsa-3928
- https://www.debian.org/security/2017/dsa-3968
- https://www.mozilla.org/security/advisories/mfsa2017-18/
- https://www.mozilla.org/security/advisories/mfsa2017-19/
- https://www.mozilla.org/security/advisories/mfsa2017-20/
- http://www.securityfocus.com/bid/100196
- http://www.securitytracker.com/id/1039124
- https://access.redhat.com/errata/RHSA-2017:2456
- https://access.redhat.com/errata/RHSA-2017:2534
- https://bugzilla.mozilla.org/show_bug.cgi?id=1374047
- https://security.gentoo.org/glsa/201803-14
- https://www.debian.org/security/2017/dsa-3928
- https://www.debian.org/security/2017/dsa-3968
- https://www.mozilla.org/security/advisories/mfsa2017-18/
- https://www.mozilla.org/security/advisories/mfsa2017-19/
- https://www.mozilla.org/security/advisories/mfsa2017-20/