Low3.7Red Hat & Ubuntu Linux
Security bypass due to improper DNS name constraint validation
CVE-2026-34073 Published Mar 31, 2026
CVE-2026-34073
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Security bypass due to improper DNS name constraint validation. Red Hat rates this low (CVSS 3.7). Weakness: CWE-295. Affected package(s): python-cryptography-main. Resolved in Red Hat advisory RHSA-2026:7295 — update the affected packages (`sudo dnf update`).
Affected versions
- python-cryptography-main-46.0.7-1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:7295
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7295 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.