SB20260428195 - SUSE update for python-ecdsa
Published: April 28, 2026
Security Bulletin ID
SB20260428195
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2026-33936)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in SigningKey.from_der() when parsing untrusted DER private keys. A remote attacker can supply a specially crafted DER input to cause a denial of service.
The issue can trigger an internal IndexError instead of cleanly rejecting malformed DER.
Remediation
Install update from vendor's website.