Vulnerability Description
Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | < 60.9.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1571481Issue TrackingPermissions RequiredVendor Advisory
- https://usn.ubuntu.com/4150-1/
- 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.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1571481Issue TrackingPermissions RequiredVendor Advisory
- https://usn.ubuntu.com/4150-1/
- https://www.mozilla.org/security/advisories/mfsa2019-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-30/Vendor Advisory
FAQ
What is CVE-2019-11739?
CVE-2019-11739 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.
How severe is CVE-2019-11739?
CVE-2019-11739 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11739?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Thunderbird.