{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-110656", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T13:08:39.334Z", "datePublished": "2026-10-14T15:01:23.198Z", "dateUpdated": "2026-10-14T15:01:23.198Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T15:01:23.198Z" }, "datePublic": "2026-06-03T00:00:00.000Z", "title": "miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Out-of-bounds Read", "cweId": "CWE-125", "type": "CWE" } ] } ], "affected": [ { "vendor": "miniupnp project", "product": "miniupnpc", "defaultStatus": "unaffected", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "2.3.3" } ], "collectionURL": "https://github.com/miniupnp/miniupnp", "packageURL": "pkg:github/miniupnp/miniupnp", "repo": "https://github.com/miniupnp/miniupnp" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:miniupnp_project:miniupnpc:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.3.3" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 3.1, "baseSeverity": "LOW" } } ], "references": [ { "url": "https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read", "tags": [ "technical-description", "exploit" ] }, { "url": "https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L141", "tags": [ "technical-description" ] }, { "url": "https://github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9c", "tags": [ "patch" ] }, { "url": "https://github.com/miniupnp/miniupnp", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseelt" } ], "credits": [ { "lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }