Mageia 9 Python-openssl Important TLS Vulnerability Fix MGASA-2026-0074
mageia
April 1, 2026
MGASA-2026-0074 - Updated python-openssl packages fix security vulnerabilities
Summary
Description:
pyOpenSSL allows TLS connection bypass via unhandled callback exception
in set_tlsext_servername_callback. (CVE-2026-27448)
pyOpenSSL DTLS cookie callback buffer overflow. (CVE-2026-27459)
References
- https://bugs.mageia.org/show_bug.cgi?id=35254
- https://www.openwall.com/lists/oss-security/2026/03/20/5
- https://github.com/pyca/pyopenssl/security/advisories/GHSA-5pwr-322w-8jr4
- https://github.com/pyca/pyopenssl/security/advisories/GHSA-vp96-hxj8-p424
- https://ubuntu.com/security/notices/USN-8115-1
- https://www.cve.org/CVERecord?id=CVE-2026-27448
- https://www.cve.org/CVERecord?id=CVE-2026-27459
Topics Covered
Resolution
SRPMS
- 9/core/python-openssl-23.0.0-1.1.mga9
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Publication date: 31 Mar 2026
URL: https://advisories.mageia.org/MGASA-2026-0074.html
Type: security
CVE: CVE-2026-27448,
CVE-2026-27459
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!