OESA-2026-4635

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OESA-2026-4635

Summary: httpd security update

Details: Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fix(es): Missing authentication checks in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause a denial of service (forced re-authentication) via forged Authorization headers when Digest authentication is enabled with AuthDigestNcCheck . Users are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-48005) Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-73636) Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-73637)

References: https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4635, https://nvd.nist.gov/vuln/detail/CVE-2026-48005, https://nvd.nist.gov/vuln/detail/CVE-2026-73636, https://nvd.nist.gov/vuln/detail/CVE-2026-73637