CVE-2017-7826
UnknownEPSS 3.34%
Last modified
CVE-2017-7826 is a vulnerability of currently unknown severity. 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. EPSS estimates a 3.34% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 17.10 |
| Canonical | Ubuntu Linux | 18.04 |
| Mozilla | Firefox | < 57.0 |
| Mozilla | Firefox | < 52.5.0 |
| Mozilla | Thunderbird | < 52.5.0 |
References
- http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803Third Party Advisory, VDB 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%2C1400003%2C1395138%2C1408412%2C1393840%2C1400763%2C1339259%2C1394265%2C1407740%2C1407751%2C1408005%2C1406398%2C1387799%2C1261175%2C1400554%2C1375146%2C1397811%2C1404636%2C1401804Issue Tracking, Permissions Required, Third 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 Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803Third Party Advisory, VDB 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%2C1400003%2C1395138%2C1408412%2C1393840%2C1400763%2C1339259%2C1394265%2C1407740%2C1407751%2C1408005%2C1406398%2C1387799%2C1261175%2C1400554%2C1375146%2C1397811%2C1404636%2C1401804Issue Tracking, Permissions Required, Third 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-7826?
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.
How severe is CVE-2017-7826?
Severity scoring for CVE-2017-7826 is pending analysis. The EPSS model estimates a 3.34% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7826?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-7826?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST