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Security advisory

Type: advisorySources: OSVCVE: CVE-2017-7656

In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), HTTP/0.9 is handled poorly. An HTTP/1 style request line (i.e. method space URI space version) that declares a version of HTTP/0.9 was accepted and treated as a 0.9 request. If deployed behind an intermediary that also accepted and passed through the 0.9 version (but did not act on it), then the response sent could be interpreted by the intermediary as HTTP/1 headers. This could be used to poison the cache if the server allowed the origin client to generate arbitrary content in the response.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-7656
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:15 UTC · Revision 1

Source evidence

CVE-2017-7656

core-osv · Original source

Published 26 Jun 2018, 15:29 UTC

In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), HTTP/0.9 is handled poorly. An HTTP/1 style request line (i.e. method space URI space version) that declares a version of HTTP/0.9 was accepted and treated as a 0.9 request. If deployed behind an intermediary that also accepted and passed through the 0.9 version (but did not act on it), then the response sent could be interpreted by the intermediary as HTTP/1 headers. This could be used to poison the cache if the server allowed the origin client to generate arbitrary content in the response.

osv:CVE-2017-7656
Complete source record
{
  "id": "4ae125375986ac0ea497287daad9756fadabd13a68cb05677f950cdfc055854f",
  "url": "https://osv.dev/vulnerability/CVE-2017-7656",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7656",
    "summary": "In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), HTTP/0.9 is handled poorly. An HTTP/1 style request line (i.e. method space URI space version) that declares a version of HTTP/0.9 was accepted and treated as a 0.9 request. If deployed behind an intermediary that also accepted and passed through the 0.9 version (but did not act on it), then the response sent could be interpreted by the intermediary as HTTP/1 headers. This could be used to poison the cache if the server allowed the origin client to generate arbitrary content in the response.",
    "evidence": "osv:CVE-2017-7656",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-7656",
      "aliases": [
        "CVE-2017-7656",
        "GHSA-84q7-p226-4x5w"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jetty/jetty.project",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "8c637489ae2bdc2d281b8db171e7427a47fdcc2b"
                },
                {
                  "introduced": "390f3200cce7f90f1f3ebc78013c1afea2f93db8"
                },
                {
                  "fixed": "84205aa28f11a4f31f2a3b86d1bba2cc8ab69827"
                },
                {
                  "introduced": "bf9d17540c7ae4c91be30c045a9485aa2030d3e5"
                },
                {
                  "fixed": "d5fc0523cfa96bfebfbda19606cad384d772f04c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.2.26"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.3.0"
                      },
                      {
                        "fixed": "9.3.24"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.4.0"
                      },
                      {
                        "fixed": "9.4.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "jetty-9.2.26.v20180806",
            "jetty-9.4.6.v20170531",
            "jetty-9.4.2.v20170220",
            "jetty-9.4.10.v20180503",
            "jetty-9.3.23.v20180228",
            "jetty-9.2.23.v20171218",
            "jetty-9.2.22.v20170606",
            "jetty-9.3.19.v20170502",
            "jetty-9.3.18.v20170406",
            "jetty-9.3.17.v20170317",
            "jetty-9.2.21.v20170120",
            "jetty-9.2.20.v20161216",
            "jetty-9.3.13.M0",
            "jetty-9.2.19.v20160908",
            "jetty-9.2.18.v20160721",
            "jetty-9.2.15.v20160210",
            "jetty-9.3.7.v20160115",
            "jetty-9.3.7.RC1",
            "jetty-9.3.4.v20151007",
            "jetty-9.2.13.v20150730",
            "jetty-9.2.12.v20150709",
            "jetty-9.2.12.M0",
            "jetty-9.2.11.v20150529",
            "jetty-9.2.11.v20150528",
            "jetty-9.2.11.M0",
            "jetty-9.2.10.v20150310",
            "jetty-9.2.9.v20150224",
            "jetty-9.2.8.v20150217",
            "jetty-9.2.7.v20150116",
            "jetty-9.2.6.v20141205",
            "jetty-9.2.6.v20141203",
            "jetty-9.2.5.v20141112",
            "jetty-9.2.4.v20141103",
            "jetty-9.2.3.v20140905",
            "jetty-9.2.2.v20140723",
            "jetty-9.2.1.v20140609",
            "jetty-9.2.0.v20140526",
            "jetty-9.2.0.v20140523",
            "jetty-9.2.0.RC0",
            "jetty-9.2.0.M1",
            "jetty-9.1.4.v20140401",
            "jetty-9.2.0.M0",
            "jetty-9.1.3.v20140225",
            "jetty-9.1.2.v20140210",
            "jetty-9.1.1.v20140108",
            "jetty-9.1.0.v20131115",
            "jetty-9.1.0.RC2",
            "jetty-9.1.0.RC1",
            "jetty-9.1.0.RC0",
            "jetty-9.1.0.M0",
            "jetty-8.1.0.RC0",
            "jetty-8.0.0.RC0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7656.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:26.152343732Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E",
        "https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E",
        "https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E",
        "https://lists.apache.org/thread.html/rbf4565a0b63f9c8b07fab29352a97bbffe76ecafed8b8555c15b83c6%40%3Cissues.maven.apache.org%3E",
        "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03953en_us",
        "https://www.oracle.com//security-alerts/cpujul2021.html",
        "https://www.oracle.com/security-alerts/cpuoct2020.html",
        "https://bugs.eclipse.org/bugs/show_bug.cgi?id=535667",
        "https://security.netapp.com/advisory/ntap-20181014-0001/",
        "https://www.debian.org/security/2018/dsa-4278",
        "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "eclipse:jetty",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "9.2.26"
                  },
                  {
                    "introduced": "9.3.0"
                  },
                  {
                    "fixed": "9.3.24"
                  },
                  {
                    "introduced": "9.4.0"
                  },
                  {
                    "fixed": "9.4.11"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-7656",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431550,
  "published_at": "2018-06-26T15:29:00.217+00:00"
}