SB2026082037 - openEuler 24.03 LTS SP4 update for python-cryptography
Published: August 20, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-69249)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the certificate chain path-building logic when processing invalid certificate chains containing duplicate self-signed certificates. A remote attacker can supply a crafted certificate chain to cause a denial of service.
The issue affects availability only; certificate validation correctness is not affected.
Remediation
Install update from vendor's website.