Vulnerability Description
A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.2 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Debian | Debian Linux | 7.0 |
| Mozilla | Firefox | < 52.4.0 |
| Mozilla | Thunderbird | < 52.4.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101055Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039465Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2885Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1363723ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201803-14Third Party Advisory
- https://www.debian.org/security/2017/dsa-3987Third Party Advisory
- https://www.debian.org/security/2017/dsa-4014Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-23/Vendor Advisory
- http://www.securityfocus.com/bid/101055Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039465Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831Third Party Advisory
FAQ
What is CVE-2017-7818?
CVE-2017-7818 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable ...
How severe is CVE-2017-7818?
CVE-2017-7818 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-7818?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.