Security NEXT•October 2, 2026•🇯🇵Translated from Japanese

Apache HTTP Server 2.4.69 Patches 20 Vulnerabilities Including CVSS 9.8 Issues

The Apache HTTP Server development team has released version 2.4.69 on October 1, 2026, resolving 20 security vulnerabilities across the widely used web server software.

Although the Apache Security Team rated the overall impact as relatively low, multiple issues carry CVSS base scores of 9.8. The update contains no vulnerabilities classified as Critical or Important under the four-tier severity system used by developers.

Five vulnerabilities were rated Moderate, including conditions that could allow code execution or denial of service under specific configurations. The remaining 15 issues were assessed as Low severity.

Key vulnerabilities addressed

  • CVE-2026-63292: A stack-based buffer overflow in the mod_vhost_alias module that may lead to denial of service or arbitrary code execution when a virtual host receives a Host header exceeding 8192 bytes.
  • CVE-2026-57941: A use-after-free vulnerability in the mod_http2 module.
  • CVE-2026-59685: An out-of-bounds write during path processing on Windows systems, affecting mod_dav and mod_dav_fs.

Administrators are advised to upgrade to Apache HTTP Server 2.4.69 to mitigate these risks.

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