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CriticalFix available

httpd security update

Type: advisorySources: OSV

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)

Products
httpd
Affected versions
Not specified
Fixed versions
2.4.58-22.oe2403sp4
CVEs
CVE-2026-42528, CVE-2026-46729, CVE-2026-47360, CVE-2026-56153, CVE-2026-56154, CVE-2026-57941
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 20:40 UTC · Revision 1

Source evidence

httpd security update

core-osv · Original source

Published 16 Oct 2026, 11:59 UTC

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)

osv:OESA-2026-4365

httpd

Fixed versions: 2.4.58-22.oe2403sp4

Complete source record
{
  "id": "9979c267c3f8423def2da84c751dfa68727b910973748c423190cb6fdae84ec1",
  "url": "https://osv.dev/vulnerability/OESA-2026-4365",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "httpd security update",
    "summary": "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)",
    "evidence": "osv:OESA-2026-4365",
    "products": [
      {
        "name": {
          "value": "httpd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.58-22.oe2403sp4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "OESA-2026-4365",
      "aliases": [
        "OESA-2026-4365"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.58-22.oe2403sp4"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd",
            "purl": "pkg:rpm/openEuler/httpd&distro=openEuler-24.03-LTS-SP4",
            "ecosystem": "openEuler:24.03-LTS-SP4"
          },
          "database_specific": {
            "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4365.json"
          },
          "ecosystem_specific": {
            "src": [
              "httpd-2.4.58-22.oe2403sp4.src.rpm"
            ],
            "noarch": [
              "httpd-filesystem-2.4.58-22.oe2403sp4.noarch.rpm",
              "httpd-help-2.4.58-22.oe2403sp4.noarch.rpm"
            ],
            "x86_64": [
              "httpd-2.4.58-22.oe2403sp4.x86_64.rpm",
              "httpd-debuginfo-2.4.58-22.oe2403sp4.x86_64.rpm",
              "httpd-debugsource-2.4.58-22.oe2403sp4.x86_64.rpm",
              "httpd-devel-2.4.58-22.oe2403sp4.x86_64.rpm",
              "httpd-tools-2.4.58-22.oe2403sp4.x86_64.rpm",
              "mod_ldap-2.4.58-22.oe2403sp4.x86_64.rpm",
              "mod_md-2.4.58-22.oe2403sp4.x86_64.rpm",
              "mod_proxy_html-2.4.58-22.oe2403sp4.x86_64.rpm",
              "mod_session-2.4.58-22.oe2403sp4.x86_64.rpm",
              "mod_ssl-2.4.58-22.oe2403sp4.x86_64.rpm"
            ],
            "aarch64": [
              "httpd-2.4.58-22.oe2403sp4.aarch64.rpm",
              "httpd-debuginfo-2.4.58-22.oe2403sp4.aarch64.rpm",
              "httpd-debugsource-2.4.58-22.oe2403sp4.aarch64.rpm",
              "httpd-devel-2.4.58-22.oe2403sp4.aarch64.rpm",
              "httpd-tools-2.4.58-22.oe2403sp4.aarch64.rpm",
              "mod_ldap-2.4.58-22.oe2403sp4.aarch64.rpm",
              "mod_md-2.4.58-22.oe2403sp4.aarch64.rpm",
              "mod_proxy_html-2.4.58-22.oe2403sp4.aarch64.rpm",
              "mod_session-2.4.58-22.oe2403sp4.aarch64.rpm",
              "mod_ssl-2.4.58-22.oe2403sp4.aarch64.rpm"
            ]
          }
        }
      ],
      "modified": "2026-10-16T12:15:10.277889751Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-42528",
        "CVE-2026-46729",
        "CVE-2026-47360",
        "CVE-2026-56153",
        "CVE-2026-56154",
        "CVE-2026-57941"
      ],
      "references": [
        "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4365",
        "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"
      ],
      "provider_metadata": {
        "severity": "Critical"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42528",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-46729",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-47360",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-56153",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-56154",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-57941",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 340811,
  "published_at": "2026-10-16T11:59:49+00:00"
}