CVE-2019-8337
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate...
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
CVE-2019-8337- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
CVE-2019-8337- Updated
- 2026-11-02
EUVDEUVD-2019-17727 No score
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
EUVD-2019-17727- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-84ww-gp3p-3hmw
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate...
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
GHSA-84ww-gp3p-3hmw- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSV
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
CVE-2019-8337- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-8337
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
DEBIAN-CVE-2019-8337- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-8337
In msmtp 1.8.2 and mpop 1.4.3, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.
- Record
UBUNTU-CVE-2019-8337- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11064-1 No score
msmtp-1.8.16-1.1 on GA media
These are all security issues fixed in the msmtp-1.8.16-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11064-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mpopDebian:12 |
before 1.4.3-1 | 1.4.3-1 |
mpopDebian:13 |
before 1.4.3-1 | 1.4.3-1 |
mpopDebian:14 |
before 1.4.3-1 | 1.4.3-1 |
msmtpDebian:12 |
before 1.8.3-1 | 1.8.3-1 |
msmtpDebian:13 |
before 1.8.3-1 | 1.8.3-1 |
msmtpDebian:14 |
before 1.8.3-1 | 1.8.3-1 |
msmtpUbuntu:16.04:LTS |
All versions, plus listed versions 1.6.2-11.6.3-11.6.3-1build1 |
None known |
msmtpUbuntu:18.04:LTS |
All versions, plus listed versions 1.6.6-1 |
None known |
mpopUbuntu:20.04:LTS |
before 1.4.3-1 | 1.4.3-1 |
mstmpopenSUSE:Tumbleweed |
before 1.8.16-1.1 | 1.8.16-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-8337 is a medium vulnerability (CVSS 5.3) in Marlam Mpop, published February 13, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in mpop 1.4.3-1.
References
marlam.de/mpop/news/mpop-1-4-3
gitlab.marlam.de/marlam/mpop/commit/b51a6c6b8b83bf0913cc52fa2ff64307e987a5b8
nvd.nist.gov/vuln/detail/CVE-2019-8337
github.com/advisories/GHSA-84ww-gp3p-3hmw
security-tracker.debian.org/tracker/CVE-2019-8337
ubuntu.com/security/CVE-2019-8337
cve.org/CVERecord?id=CVE-2019-8337
suse.com/security/cve/CVE-2019-8337