CVE-2023-50781
MEDIUM5.9EPSS 0.44%m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657
Published: 2/5/2024Modified: 2/28/2026
Also known as:GHSA-944j-8ch6-rf6x
Description
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.
Affected packages (2)
- Debian/m2cryptofrom 0
- PyPI/m2cryptofrom 0, <= 0.40.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-50781
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-50781
- PATCHhttps://gitlab.com/m2crypto/m2crypto
- WEBhttps://access.redhat.com/security/cve/CVE-2023-50781
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2254426
- WEBhttps://gitlab.com/m2crypto/m2crypto/-/issues/342