PatchTheCVECVE-2019-14664: In Enigmail below 2.1, an attacker in possession of PGP encrypted emails can wrap them as sub-parts within a c
CVE-2019-14664 is a medium-severity flaw (CVSS 6.5) affecting enigmail, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Enigmail below 2.1, an attacker in possession of PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, he unknowingly leaks the plaintext of the encrypted message part(s) back to the attac
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.0% (top 36%) |
| CISA exploited list | No |
| Weakness | CWE-319 |
| Published | 2019-08-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-14664?
enigmail: upgrade to 2.1; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-14664 being exploited?
CVE-2019-14664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-14664 affect?
CVE-2019-14664 affects enigmail, fedora. Severity is medium (CVSS 6.5). In Enigmail below 2.1, an attacker in possession of PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified mult
How urgent is CVE-2019-14664?
Priority 44/100. Public exploit reference
Related CVEs
- CVE-2019-12269 HIGH 7.5 UPGRADE Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an attacker can cause the pro
- CVE-2018-15586 MEDIUM 6.5 UPGRADE Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLIN
- CVE-2018-12019 HIGH 7.5 UPGRADE The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and
- CVE-2017-17848 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in Enigmail before 1.9.9
- CVE-2017-17847 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in Enigmail before 1.9.9