Vulnerability Description
Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. 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 |
| Canonical | Ubuntu Linux | 17.10 |
| 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/buglist.cgi?bug_id=1394530%2C1369561%2C1411458%2C14Issue 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://usn.ubuntu.com/3688-1/Third 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-2017-7826?
CVE-2017-7826 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploite...
How severe is CVE-2017-7826?
CVE-2017-7826 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-2017-7826?
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.