USN-9090-1: Apache HTTP Server vulnerabilities

Zhenpeng Lin discovered that Apache HTTP Server's mod_dav module incorrectly calculated memory sizes when handling WebDAV locks. An attacker with permission to create WebDAV locks could possibly use this issue to cause Apache HTTP Server to crash, resulting in a denial of service. (CVE-2026-42528) It was discovered that Apache HTTP Server's mod_vhost_alias module incorrectly handled certain requests, leading to a one-byte stack buffer overflow. A remote attacker could possibly use this issue to cause Apache HTTP Server to crash, resulting…

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