Bug 2552411 (CVE-2026-110655)

Summary: CVE-2026-110655 miniupnpc: miniupnpc: Denial of Service via out-of-bounds read in XML parser
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in miniupnpc. An out-of-bounds read vulnerability in the XML attribute parser can lead to a Denial of Service (DoS) by crashing the client application. A network-adjacent attacker operating a rogue Universal Plug and Play (UPnP) gateway can exploit this by sending specially crafted device descriptions or network responses ending with an equals sign ('='). This malformed input causes the application to read past the end of an allocated memory buffer, resulting in an abnormal termination.
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Bug Depends On: 2553633, 2553634    
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Description OSIDB Bzimport 2026-10-14 15:38:43 UTC 
miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseatt function that allows malicious UPnP gateways to read past buffer bounds via crafted replies. Attackers on the local network can spoof a gateway serving device descriptions or SOAP responses ending in '=' to crash the client.