Low severity3.1NVD Advisory· Published Oct 14, 2026
CVE-2026-110656
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.
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Affected products
1Patches
Vulnerability mechanics
References
4- github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.cnvd
- github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9cnvd
- hackmd.io/@haind-pwn/miniupnpc-minixml-oob-readnvd
- www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseeltnvd
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