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Undertow: infinite loop in sslconduit during close

Type: advisorySources: OSV

A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-1108
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 01:51 UTC · Revision 1

Source evidence

Undertow: infinite loop in sslconduit during close

core-osv · Original source

Published 14 Sept 2023, 14:48 UTC

A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

osv:CVE-2023-1108
Complete source record
{
  "id": "ebd7f6a584a83d9d9d3b23ced6d683f9d99f142cc7c5f587e9b85a914ab505ab",
  "url": "https://osv.dev/vulnerability/CVE-2023-1108",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Undertow: infinite loop in sslconduit during close",
    "summary": "A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.",
    "evidence": "osv:CVE-2023-1108",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-1108",
      "aliases": [
        "CVE-2023-1108",
        "GHSA-m4mm-pg93-fv78"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/undertow-io/undertow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1c15c29da4800be3189ac6dddb115d89ab27de24"
                },
                {
                  "introduced": "ddb772c84f8ee5ce7a803c883df313c1e2353e8a"
                },
                {
                  "fixed": "a55aeac10ece93b172f9175b06145d804f4b97c1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.2.24"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.3.0"
                      },
                      {
                        "fixed": "2.3.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1108.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:48.702609232Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/downloads/content/package-browser/",
        "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
        "https://catalog.redhat.com/software/containers/",
        "https://access.redhat.com/errata/RHSA-2023:1184",
        "https://access.redhat.com/errata/RHSA-2023:1185",
        "https://access.redhat.com/errata/RHSA-2023:1512",
        "https://access.redhat.com/errata/RHSA-2023:1513",
        "https://access.redhat.com/errata/RHSA-2023:1514",
        "https://access.redhat.com/errata/RHSA-2023:1516",
        "https://access.redhat.com/errata/RHSA-2023:2135",
        "https://access.redhat.com/errata/RHSA-2023:3883",
        "https://access.redhat.com/errata/RHSA-2023:3884",
        "https://access.redhat.com/errata/RHSA-2023:3885",
        "https://access.redhat.com/errata/RHSA-2023:3888",
        "https://access.redhat.com/errata/RHSA-2023:3892",
        "https://access.redhat.com/errata/RHSA-2023:3954",
        "https://access.redhat.com/errata/RHSA-2023:4612",
        "https://access.redhat.com/security/cve/CVE-2023-1108",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1108.json",
        "https://github.com/advisories/GHSA-m4mm-pg93-fv78",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-1108",
        "https://security.netapp.com/advisory/ntap-20231020-0002/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2174246",
        "https://github.com/undertow-io/undertow"
      ],
      "provider_metadata": {
        "cwe_ids": [
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        "cna_assigner": "redhat",
        "unresolved_ranges": [
          {
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              {
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                  },
                  {
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                  },
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                  },
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                  },
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                  {
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                  {
                    "fixed": "7.6-24"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "InverseAffectedRanges"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1108.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-1108",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517121,
  "published_at": "2023-09-14T14:48:58.869+00:00"
}