CVE-2026-110656
CVE-2026-110656 · miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 2.3 · Low · EPSS 0.3%
- Published
- Updated
Stack: system
Affected products and versions
miniupnpc
- Versions
- ≥ 0, ≤ 2.3.3: Affected (semver)
No fix published
miniupnpc Debian:12
- 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
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Debian:13
- Versions
- 2.2.8-2
- 2.3.3-1
- 2.3.3-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Debian:14
- Versions
- 2.2.8-2
- 2.3.3-1
- 2.3.3-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:16.04:LTS
- Versions
- 1.9.20140610-2ubuntu1
- 1.9.20140610-2ubuntu2
- 1.9.20140610-2ubuntu2.16.04.1
- 1.9.20140610-2ubuntu2.16.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:18.04:LTS
- Versions
- 1.9.20140610-4ubuntu1
- 1.9.20140610-4ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:20.04:LTS
- Versions
- 2.1.20190824-0ubuntu1
- 2.1.20190824-0ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:22.04:LTS
- Versions
- 2.2.1-1
- 2.2.1-1build1
- 2.2.3-1
- 2.2.3-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:24.04:LTS
- Versions
- 2.2.5-1
- 2.2.6-1
- 2.2.6-1build1
- 2.2.6-1build2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:26.10
- Versions
- 2.3.3-2build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
miniupnpc Ubuntu:26.04:LTS
- Versions
- 2.2.8-2build2
- 2.3.3-2
- 2.3.3-2build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read
- https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L141
- https://github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9c
- https://github.com/miniupnp/miniupnp
- https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseelt
- https://nvd.nist.gov/vuln/detail/CVE-2026-110656