Vulnerability Description
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 69.0 |
| Mozilla | Firefox Esr | < 68.2 |
| Mozilla | Thunderbird | < 68.2 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1536227ExploitIssue TrackingVendor Advisory
- https://usn.ubuntu.com/4335-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-25/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-35/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1536227ExploitIssue TrackingVendor Advisory
- https://usn.ubuntu.com/4335-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-25/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-35/Vendor Advisory
FAQ
What is CVE-2019-11758?
CVE-2019-11758 is a vulnerability with a CVSS score of 8.8 (HIGH). Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and...
How severe is CVE-2019-11758?
CVE-2019-11758 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11758?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Canonical Ubuntu Linux.