Vulnerability Description
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Mozilla | Firefox | < 57.0 |
| Mozilla | Thunderbird | < 52.5.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101832Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039803Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:3247Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3372Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1406750Issue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1412252Issue TrackingPermissions RequiredThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00018.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00001.htmlThird Party Advisory
- https://www.debian.org/security/2017/dsa-4035Third Party Advisory
- https://www.debian.org/security/2017/dsa-4061Third Party Advisory
- https://www.debian.org/security/2017/dsa-4075Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-24/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-25/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-26/Vendor Advisory
- http://www.securityfocus.com/bid/101832Third Party AdvisoryVDB Entry
FAQ
What is CVE-2017-7828?
CVE-2017-7828 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during the...
How severe is CVE-2017-7828?
CVE-2017-7828 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-2017-7828?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.