{"id":"CVE-2026-110656","aliases":["DEBIAN-CVE-2026-110656","EUVD-2026-101129","GHSA-mpq5-p36j-xg57","UBUNTU-CVE-2026-110656"],"status":"published","title":"miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt","description":"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.","severity":{"version":"4.0","score":2.3,"vector":"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0029,"percentile":0.21751,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-14T15:01:23Z","modified":"2026-11-09T16:32:12Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.4-1","2.2.5-1","2.2.6-1","2.2.8-1","2.2.8-2","2.3.3-1","2.3.3-2"]},{"source":"osv","ecosystem":"Debian:13","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.8-2","2.3.3-1","2.3.3-2"]},{"source":"osv","ecosystem":"Debian:14","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.8-2","2.3.3-1","2.3.3-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.20140610-2ubuntu1","1.9.20140610-2ubuntu2","1.9.20140610-2ubuntu2.16.04.1","1.9.20140610-2ubuntu2.16.04.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.20140610-4ubuntu1","1.9.20140610-4ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.20190824-0ubuntu1","2.1.20190824-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1-1","2.2.1-1build1","2.2.3-1","2.2.3-1build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.5-1","2.2.6-1","2.2.6-1build1","2.2.6-1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"miniupnpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.8-2build2","2.3.3-2","2.3.3-2build1"]}],"products":[{"vendor":"miniupnp project","product":"miniupnpc"}],"references":[{"url":"https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read","tags":["technical-description","exploit","evidence","report"]},{"url":"https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L141","tags":["technical-description","article","report"]},{"url":"https://github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9c","tags":["patch","fix","report"]},{"url":"https://github.com/miniupnp/miniupnp","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseelt","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110656","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mpq5-p36j-xg57"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110656.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110656","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110656","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110656","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110656","title":"miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt","description":"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.","status":"published","published":"2026-10-14T15:01:23.198Z","modified":"2026-11-09T16:32:12.613Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low","assessor":"cna"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-09T17:34:05.130069Z"}],"euvd":[{"id":"EUVD-2026-101129","description":"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.","status":"published","published":"2026-10-14T15:01:23Z","modified":"2026-11-09T16:32:12Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low"}],"updated_at":"2026-11-09T17:17:30.806151Z"}],"ghsa":[{"id":"GHSA-mpq5-p36j-xg57","title":"miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml...","description":"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.","status":"published","published":"2026-10-14T18:32:17Z","modified":"2026-10-14T18:32:22Z","cvss":[{"version":"4.0","score":2.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:26.734116Z"}],"nvd":[{"id":"CVE-2026-110656","description":"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.","status":"published","published":"2026-10-14T16:17:42.363Z","modified":"2026-11-09T17:17:08.557Z","cvss":[{"version":"4.0","score":2.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-09T20:15:31.965294Z"}],"osv":[{"id":"CVE-2026-110656","title":"miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt","description":"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.","status":"published","published":"2026-10-14T15:01:23.198Z","modified":"2026-11-10T07:03:53.98250405Z","cvss":[{"version":"4.0","score":2.3,"vector":"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","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-10T03:16:41.950556Z"},{"id":"DEBIAN-CVE-2026-110656","description":"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.","status":"published","published":"2026-10-14T16:17:42.363Z","modified":"2026-10-23T17:47:37.84882626Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110656","description":"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.","status":"published","published":"2026-10-14T16:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":2.3,"vector":"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","level":"low"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}