Philips Hue Bridge Sub-TLV Parser hap_pair_verify_handler heap-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in Philips Hue Bridge. The affected element is the function hap_pair_verify_handler of the component Sub-TLV Parser. Executing a manipulation can lead to heap-based overflow. This vulnerability is registered as CVE-2026-3557. The attack requires access to the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Philips Hue Bridge (affected version unknown). It has been declared as critical. This vulnerability affects the function hap_pair_verify_handler of the component Sub-TLV Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2026-3557. The exploitation appears to be difficult. The attack can only be done within the local network. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Philips

Name

• Hue Bridge

License

• commercial

Website

• Vendor: https://www.philips.ch/

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