MinorCritical vulnerability
CVE-2026-63292 (CVSS 7.5)
NVD · officialPublished Oct 1, 2026Risk 23/100
Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Technical details
CVSS
7.5
AV:NetworkAC:LowPR:NoneUI:NoneC:NoneI:NoneA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source