{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "5.4"
              },
              {
                "fixed": "6.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "c1b7ae1c54eafca0b2001e38172a207104171bcc"
            },
            {
              "fixed": "a17da7d1f191394f15dbf10e5b27e2d73f10dcae"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106026.json"
  },
  "details": "tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.",
  "id": "CVE-2026-106026",
  "modified": "2026-10-08T02:30:48.507436986Z",
  "published": "2026-10-06T13:35:48.642Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106026.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-106026"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/tftp-hpa-5.4-before-6.0-out-of-bounds-read-via-tftpd-remap-jump-rule"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/commit/?id=6735086fb6475c3e1f1daf9829836b3d06f14291"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git"
    },
    {
      "type": "ARTICLE",
      "url": "https://git.kernel.org/pub/scm/network/tftp/tftp-hpa.git/tree/tftpd/remap.c?h=tftp-hpa-5.4#n762"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule"
}