An update for httpd is now available for openEuler-22.03-LTS-SP4 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-4467 Final 1.0 1.0 2026-10-22 Initial 2026-10-22 2026-10-22 openEuler SA Tool V1.0 2026-10-22 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): A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue(CVE-2026-42528) NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-46729) Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module.   When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-47360) Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56153) Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56154) Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-57941) Internal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-58415) Out-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59685) Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59797) Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63045) 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.(CVE-2026-63292) A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63686) Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.(CVE-2026-63718) Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-79768) Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.(CVE-2026-93546) 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-2026-4467 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-42528 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-46729 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-47360 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-56153 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-56154 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-57941 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-58415 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-59685 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-59797 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63045 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63292 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63686 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63718 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-79768 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-93546 https://nvd.nist.gov/vuln/detail/CVE-2026-42528 https://nvd.nist.gov/vuln/detail/CVE-2026-46729 https://nvd.nist.gov/vuln/detail/CVE-2026-47360 https://nvd.nist.gov/vuln/detail/CVE-2026-56153 https://nvd.nist.gov/vuln/detail/CVE-2026-56154 https://nvd.nist.gov/vuln/detail/CVE-2026-57941 https://nvd.nist.gov/vuln/detail/CVE-2026-58415 https://nvd.nist.gov/vuln/detail/CVE-2026-59685 https://nvd.nist.gov/vuln/detail/CVE-2026-59797 https://nvd.nist.gov/vuln/detail/CVE-2026-63045 https://nvd.nist.gov/vuln/detail/CVE-2026-63292 https://nvd.nist.gov/vuln/detail/CVE-2026-63686 https://nvd.nist.gov/vuln/detail/CVE-2026-63718 https://nvd.nist.gov/vuln/detail/CVE-2026-79768 https://nvd.nist.gov/vuln/detail/CVE-2026-93546 openEuler-22.03-LTS-SP4 httpd-2.4.51-37.oe2203sp4.src.rpm httpd-2.4.51-37.oe2203sp4.x86_64.rpm httpd-debuginfo-2.4.51-37.oe2203sp4.x86_64.rpm httpd-debugsource-2.4.51-37.oe2203sp4.x86_64.rpm httpd-devel-2.4.51-37.oe2203sp4.x86_64.rpm httpd-tools-2.4.51-37.oe2203sp4.x86_64.rpm mod_ldap-2.4.51-37.oe2203sp4.x86_64.rpm mod_md-2.4.51-37.oe2203sp4.x86_64.rpm mod_proxy_html-2.4.51-37.oe2203sp4.x86_64.rpm mod_session-2.4.51-37.oe2203sp4.x86_64.rpm mod_ssl-2.4.51-37.oe2203sp4.x86_64.rpm httpd-filesystem-2.4.51-37.oe2203sp4.noarch.rpm httpd-help-2.4.51-37.oe2203sp4.noarch.rpm httpd-2.4.51-37.oe2203sp4.aarch64.rpm httpd-debuginfo-2.4.51-37.oe2203sp4.aarch64.rpm httpd-debugsource-2.4.51-37.oe2203sp4.aarch64.rpm httpd-devel-2.4.51-37.oe2203sp4.aarch64.rpm httpd-tools-2.4.51-37.oe2203sp4.aarch64.rpm mod_ldap-2.4.51-37.oe2203sp4.aarch64.rpm mod_md-2.4.51-37.oe2203sp4.aarch64.rpm mod_proxy_html-2.4.51-37.oe2203sp4.aarch64.rpm mod_session-2.4.51-37.oe2203sp4.aarch64.rpm mod_ssl-2.4.51-37.oe2203sp4.aarch64.rpm A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue 2026-10-22 CVE-2026-42528 openEuler-22.03-LTS-SP4 Medium 4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L httpd security update 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-46729 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module.   When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-47360 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-56153 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-56154 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-57941 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Internal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-58415 openEuler-22.03-LTS-SP4 Medium 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N httpd security update 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Out-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-59685 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-59797 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue. 2026-10-22 CVE-2026-63045 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 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. 2026-10-22 CVE-2026-63292 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue. 2026-10-22 CVE-2026-63686 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68. 2026-10-22 CVE-2026-63718 openEuler-22.03-LTS-SP4 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N httpd security update 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. 2026-10-22 CVE-2026-79768 openEuler-22.03-LTS-SP4 Medium 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N httpd security update 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467 Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces. 2026-10-22 CVE-2026-93546 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 2026-10-22 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4467