SB2026082718 - IBM Netezza Appliance update for FIPS
Published: August 27, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2026-42764)
CWE-ID: CWE-476 - NULL Pointer Dereference
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 NULL pointer dereference in QUIC server initial packet handling when processing an initial packet with an invalid or expired token. A remote attacker can send a crafted initial packet to cause a denial of service.
The issue is reachable only when address validation is disabled, such as when SSL_LISTENER_FLAG_NO_VALIDATE is used with SSL_new_listener().
Remediation
Install update from vendor's website.