An update for httpd is now available for openEuler-22.03-LTS-SP4 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-2318 Final 1.0 1.0 2026-05-15 Initial 2026-05-15 2026-05-15 openEuler SA Tool V1.0 2026-05-15 httpd security update An update for httpd is now available for openEuler-22.03-LTS-SP4 Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fix(es): An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-24072) Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-28780) Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-29168) A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0. Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.(CVE-2026-29169) A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes this issue.(CVE-2026-33006) Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.(CVE-2026-34059) An update for httpd is now available for openEuler-22.03-LTS-SP4. openEuler Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. Critical httpd https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-24072 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-28780 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-29168 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-29169 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-33006 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-34059 https://nvd.nist.gov/vuln/detail/CVE-2026-24072 https://nvd.nist.gov/vuln/detail/CVE-2026-28780 https://nvd.nist.gov/vuln/detail/CVE-2026-29168 https://nvd.nist.gov/vuln/detail/CVE-2026-29169 https://nvd.nist.gov/vuln/detail/CVE-2026-33006 https://nvd.nist.gov/vuln/detail/CVE-2026-34059 openEuler-22.03-LTS-SP4 httpd-2.4.51-29.oe2203sp4.aarch64.rpm httpd-debuginfo-2.4.51-29.oe2203sp4.aarch64.rpm httpd-debugsource-2.4.51-29.oe2203sp4.aarch64.rpm httpd-devel-2.4.51-29.oe2203sp4.aarch64.rpm httpd-tools-2.4.51-29.oe2203sp4.aarch64.rpm mod_ldap-2.4.51-29.oe2203sp4.aarch64.rpm mod_md-2.4.51-29.oe2203sp4.aarch64.rpm mod_proxy_html-2.4.51-29.oe2203sp4.aarch64.rpm mod_session-2.4.51-29.oe2203sp4.aarch64.rpm mod_ssl-2.4.51-29.oe2203sp4.aarch64.rpm httpd-2.4.51-29.oe2203sp4.src.rpm httpd-2.4.51-29.oe2203sp4.x86_64.rpm httpd-debuginfo-2.4.51-29.oe2203sp4.x86_64.rpm httpd-debugsource-2.4.51-29.oe2203sp4.x86_64.rpm httpd-devel-2.4.51-29.oe2203sp4.x86_64.rpm httpd-tools-2.4.51-29.oe2203sp4.x86_64.rpm mod_ldap-2.4.51-29.oe2203sp4.x86_64.rpm mod_md-2.4.51-29.oe2203sp4.x86_64.rpm mod_proxy_html-2.4.51-29.oe2203sp4.x86_64.rpm mod_session-2.4.51-29.oe2203sp4.x86_64.rpm mod_ssl-2.4.51-29.oe2203sp4.x86_64.rpm httpd-filesystem-2.4.51-29.oe2203sp4.noarch.rpm httpd-help-2.4.51-29.oe2203sp4.noarch.rpm An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue. 2026-05-15 CVE-2026-24072 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. 2026-05-15 CVE-2026-28780 openEuler-22.03-LTS-SP4 Critical 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. 2026-05-15 CVE-2026-29168 openEuler-22.03-LTS-SP4 High 7.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0. Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock. 2026-05-15 CVE-2026-29169 openEuler-22.03-LTS-SP4 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes this issue. 2026-05-15 CVE-2026-33006 openEuler-22.03-LTS-SP4 Medium 4.8 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318 Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. 2026-05-15 CVE-2026-34059 openEuler-22.03-LTS-SP4 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N httpd security update 2026-05-15 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2318