httpd: Fix of 6 CVEs

{
  "id": "24cfe939e56d5356b05ccfde3faa3dfec39f43863fa1ab33f18efdf754f4539b",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1791914243",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "httpd: Fix of 6 CVEs",
    "summary": "- CVE-2026-42356: do not run the target of a CGI internal redirect with the handler derived from the CGI request's trusted content type - CVE-2026-63686: fix mod_xml2enc NULL pointer dereference when a charset conversion partially succeeds and then fails - CVE-2026-63718: fix mod_proxy_uwsgi response smuggling via backend Transfer-Encoding by dropping hop-by-hop response headers - CVE-2026-73636: fix mod_auth_digest one-time nonce replay - CVE-2026-73637: fix mod_auth_digest use-after-free of shared client entries on concurrent requests - CVE-2026-48005: fix mod_auth_digest forced re-authentication via forged Authorization headers with AuthDigestNcCheck - mod_auth_digest: configs using \"AuthDigestQop none\" or the \"authdigest-opaque\" Mutex type no longer start (the shipped manual still documents \"AuthDigestQop none\"); RFC 2069 clients (no qop) are refused; with AuthDigestNcCheck On or AuthDigestNonceLifetime 0, 503 if no client entry fits in shared memory; log ids AH01767, AH01771, AH01772, AH01792 and AH01793 are removed - mod_auth_digest: with AuthDigestNcCheck On, a request that is authenticated twice (e.g. a DirectoryIndex file in its own section) is refused with 401 - mod_auth_digest: after a reload (also the logrotate one) or a SIGHUP restart a captured request can be accepted once more under AuthDigestNonceLifetime 0 or AuthDigestNcCheck; only stopping httpd (systemctl restart) invalidates it (fixed upstream only in trunk f4c4160fbf, not in 2.4.69)",
    "evidence": "osv:CLSA-2026-1791914243",
    "products": [
      {
        "name": {
          "value": "httpd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "httpd-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "httpd-filesystem",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "httpd-manual",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "httpd-tools",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mod_ldap",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mod_proxy_html",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mod_session",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mod_ssl",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1791914243",
      "aliases": [
        "CLSA-2026-1791914243"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd",
            "purl": "pkg:rpm/tuxcare/httpd?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd-devel",
            "purl": "pkg:rpm/tuxcare/httpd-devel?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd-filesystem",
            "purl": "pkg:rpm/tuxcare/httpd-filesystem?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd-manual",
            "purl": "pkg:rpm/tuxcare/httpd-manual?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "httpd-tools",
            "purl": "pkg:rpm/tuxcare/httpd-tools?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "mod_ldap",
            "purl": "pkg:rpm/tuxcare/mod_ldap?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "mod_proxy_html",
            "purl": "pkg:rpm/tuxcare/mod_proxy_html?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "mod_session",
            "purl": "pkg:rpm/tuxcare/mod_session?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.4.37-64.module_el8+2681+cda4105c.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "mod_ssl",
            "purl": "pkg:rpm/tuxcare/mod_ssl?distro=centos-stream-8",
            "ecosystem": "TuxCare:CentOS-Stream:8"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1791914243.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:51.707224401Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-42356",
        "CVE-2026-48005",
        "CVE-2026-63686",
        "CVE-2026-63718",
        "CVE-2026-73636",
        "CVE-2026-73637"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1791914243.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42356",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-48005",
        "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-2026-73636",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-73637"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-42356",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-48005",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63686",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63718",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-73636",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-73637",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450199,
  "published_at": "2026-10-13T17:57:36+00:00"
}