CVE catalog
CVE-2023-50781
m2crypto: CVE-2023-50781
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.12% · Oct 25, 2026
A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | m2crypto | trixie | 0.42.0-3 | fixed |
| Debian | m2crypto | bookworm | 0.38.0-4 | vulnerable |
| Cpe | enterprise_linux | Not reported | Not reported | unknown |
| Cpe | update_infrastructure | Not reported | Not reported | unknown |
| Cpe | m2crypto | Not reported | Not reported | unknown |
| Ubuntu | m2crypto | 14.04 | 0.21.1-3ubuntu3 | vulnerable |
| Ubuntu | m2crypto | 14.04 | 0.21.1-3ubuntu4 | vulnerable |
| Ubuntu | m2crypto | 14.04 | 0.21.1-3ubuntu5 | vulnerable |
| Ubuntu | m2crypto | 16.04 | 0.21.1-3ubuntu5 | vulnerable |
| Ubuntu | m2crypto | 16.04 | 0.22.6~rc4-1ubuntu1 | vulnerable |
| Ubuntu | m2crypto | 18.04 | 0.24.0-2 | vulnerable |
| Ubuntu | m2crypto | 18.04 | 0.27.0-2 | vulnerable |
| Ubuntu | m2crypto | 18.04 | 0.27.0-4 | vulnerable |
| Ubuntu | m2crypto | 18.04 | 0.27.0-4build1 | vulnerable |
| Ubuntu | m2crypto | 18.04 | 0.27.0-5 | vulnerable |
| Ubuntu | m2crypto | 20.04 | 0.31.0-6 | vulnerable |
| Ubuntu | m2crypto | 20.04 | 0.31.0-6build1 | vulnerable |
| Ubuntu | m2crypto | 20.04 | 0.31.0-7 | vulnerable |
| Ubuntu | m2crypto | 20.04 | 0.31.0-8 | vulnerable |
| Ubuntu | m2crypto | 20.04 | 0.31.0-9ubuntu1 | vulnerable |
| Ubuntu | m2crypto | 22.04 | 0.37.1-1ubuntu3 | vulnerable |
| Ubuntu | m2crypto | 22.04 | 0.37.1-1ubuntu4 | vulnerable |
| Ubuntu | m2crypto | 22.04 | 0.38.0-1ubuntu3 | vulnerable |
| Ubuntu | m2crypto | 22.04 | 0.38.0-1ubuntu5 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.38.0-4build1 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.38.0-4.1 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.40.1-0ubuntu1 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.40.1-1 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.40.1-2build1 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.40.1-2build2 | vulnerable |
| Ubuntu | m2crypto | 24.04 | 0.40.1-2ubuntu1 | vulnerable |
| Ubuntu | m2crypto | 25.10 | 0.42.0-2.1build1 | vulnerable |
| Ubuntu | m2crypto | 25.10 | 0.42.0-3 | vulnerable |
| Ubuntu | m2crypto | 26.04 | 0.42.0-3 | vulnerable |
| Ubuntu | m2crypto | 26.04 | 0.46.2-2 | vulnerable |
| Ubuntu | m2crypto | 26.04 | 0.46.2-3 | vulnerable |
| Ubuntu | m2crypto | 26.04 | 0.46.2-3build1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | m2crypto | source | trixie | 0.40.1-3 | not yet assigned | Not reported | [1059292] |
| Debian | m2crypto | source | bookworm | (unfixed) | not yet assigned | Not reported | [1059292] |
Notes
[bookworm] m2crypto: Minor issue, requires OpenSSL 3.2 which isn't in Bookworm
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-265688.json]
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-50781]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-50781]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-50781]
- [https://security-tracker.debian.org/tracker/CVE-2023-50781]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-50781.json]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]