{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.3.3"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "e439318cf782e30066d430f27a1365e013a5ab94"
            },
            {
              "fixed": "64ef08a12aabab57be0bf7e40f047c8f14dedf9c"
            }
          ],
          "repo": "https://github.com/miniupnp/miniupnp",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110656.json"
  },
  "details": "miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseelt function's namespace-prefix handling that skips an end-of-buffer check after advancing past ':'. A malicious or spoofed UPnP gateway on the local network can send a device description or SOAP reply ending in ':' within an element name to crash the client.",
  "id": "CVE-2026-110656",
  "modified": "2026-10-16T02:30:45.221987637Z",
  "published": "2026-10-14T15:01:23.198Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110656.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110656"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseelt"
    },
    {
      "type": "FIX",
      "url": "https://github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9c"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/miniupnp/miniupnp"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L141"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt"
}