Vulnerability Description
Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. 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 < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 60.9.0 |
| Mozilla | Firefox Esr | >= 68.0, < 68.1.0 |
| Mozilla | Thunderbird | < 60.9.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing ListThird Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160Issue TrackingNot ApplicableVendor Advisory
- https://security.gentoo.org/glsa/201911-07Third Party Advisory
- https://usn.ubuntu.com/4150-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-25/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-26/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-27/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-30/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-11740?
CVE-2019-11740 is a vulnerability with a CVSS score of 8.8 (HIGH). Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume tha...
How severe is CVE-2019-11740?
CVE-2019-11740 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-2019-11740?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Canonical Ubuntu Linux, Opensuse Leap.