High 1 vendor · 1 advisory

CVE-2026-21863

CVE-2026-21863: high-severity vulnerability covered by 1 tracked advisory record across Linux. Compare affected products, fixed versions and remediation.

NVD detail CVE.org

Android app · Google Play

Monitor future Linux CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Linux1 advisory

High7.5Denial of Service via invalid clusterbus packetFeb 23, 2026