SB20260408162 - Fedora 44 update for python-cryptography
Published: April 8, 2026
Security Bulletin ID
SB20260408162
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-39892)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to out-of-bounds read in Python buffer-accepting APIs when processing a non-contiguous buffer. A local user can pass a specially crafted non-contiguous buffer to cause a denial of service.
The issue can read past the end of the buffer on Python versions later than 3.11.
Remediation
Install update from vendor's website.