Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products5

• Red Hat Hardened Images
• ngtcp2-main@aarch64 as a component of Red Hat Hardened Images
• ngtcp2-main@noarch as a component of Red Hat Hardened Images
• ngtcp2-main@src as a component of Red Hat Hardened Images
• ngtcp2-main@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: To mitigate this issue, disable the `qlog` callback in applications utilizing the ngtcp2 library. This action prevents the vulnerable code path from being exercised when processing untrusted QUIC peer transport parameters. Disabling `qlog` may impact logging and debugging capabilities. Applications linked against ngtcp2 must be restarted for the change to take effect.

🔗 References (5)

• selfhttps://access.redhat.com/errata/RHSA-2026:9113
• externalhttps://images.redhat.com/
• externalhttps://access.redhat.com/security/cve/CVE-2026-40170
• externalhttps://access.redhat.com/security/updates/classification/
• selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_9113.json