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apache2 — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2022-26377

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

Products
apache2
Affected versions
Not specified
Fixed versions
2.4.54-1
CVEs
CVE-2022-26377
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 14:47 UTC · Revision 1

Source evidence

DEBIAN-CVE-2022-26377

core-osv · Original source

Published 9 Jun 2022, 17:15 UTC

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

osv:DEBIAN-CVE-2022-26377

apache2

Fixed versions: 2.4.54-1

apache2

Fixed versions: 2.4.54-1

apache2

Fixed versions: 2.4.54-1

Complete source record
{
  "id": "fa0c877bc53313bce71afbb16345fa5b5de3d9a85e147d2b1e9eebfc887baef8",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-26377",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2022-26377",
    "summary": "Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.",
    "evidence": "osv:DEBIAN-CVE-2022-26377",
    "products": [
      {
        "name": {
          "value": "apache2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.54-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apache2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.54-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apache2",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.54-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2022-26377",
      "aliases": [
        "DEBIAN-CVE-2022-26377"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.54-1"
                }
              ]
            }
          ],
          "package": {
            "name": "apache2",
            "purl": "pkg:deb/debian/apache2?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-26377.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.54-1"
                }
              ]
            }
          ],
          "package": {
            "name": "apache2",
            "purl": "pkg:deb/debian/apache2?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-26377.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.54-1"
                }
              ]
            }
          ],
          "package": {
            "name": "apache2",
            "purl": "pkg:deb/debian/apache2?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-26377.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T08:02:14.919177309Z",
      "provider": "osv",
      "upstream": [
        "CVE-2022-26377"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2022-26377"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2022-26377",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 323328,
  "published_at": "2022-06-09T17:15:09.077+00:00"
}