CVE-2026-110656

miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt

LOW
3.1
CVSS Score
Published: October 14, 2026 at 03:01 PM UTC
Updated: October 16, 2026 at 07:18 PM UTC
1 product affected across 1 vendorMiniupnpc

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Severity
LOW3.1
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

3.1LOWVulnCheck
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125

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