CVE-2026-110656

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

Published Oct 14, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title miniupnpc through 2.3.3 Heap Out-of-Bounds Read via minixml parseelt
First Time appeared Miniupnp Project
Miniupnp Project miniupnpc
Weaknesses CWE-125
CPEs cpe:2.3:a:miniupnp_project:miniupnpc:*:*:*:*:*:*:*:*
Vendors & Products Miniupnp Project
Miniupnp Project miniupnpc
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 4:32 PM
Reserved
Oct 14, 2026, 1:08 PM
Status
Deferred
Published
Oct 14, 2026, 4:17 PM
Modified
Nov 9, 2026, 5:17 PM