SB2026012229 - Astronomer with IBM update for CIRCL package
Published: January 22, 2026
Security Bulletin ID
SB2026012229
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2025-8556)
The vulnerability allows a remote attacker to compromise session security.
The vulnerability exists due to an error in FourQ elliptic curve implementation and incorrect point validation during Diffie-Hellman key exchange. A remote attacker can compromise session security via low-order point injection and gain access to sensitive information.
Remediation
Install update from vendor's website.