High severity7.5NVD Advisory· Published Nov 5, 2026
CVE-2026-123200
CVE-2026-123200
Description
VRPN through 07.36 contains an out-of-bounds stack write vulnerability in vrpn_Endpoint::handle_sender_message() and handle_type_message() that allows unauthenticated remote peers to write outside a stack buffer via an unchecked length index. Attackers can connect, complete the version-cookie exchange, and send a SENDER_DESCRIPTION or TYPE_DESCRIPTION message with an out-of-range or negative index to crash the process.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/vrpn/vrpn/blob/79deb000cc0b47ae49a80c92c78167c02d8a04d8/vrpn_Connection.Cnvd
- github.com/vrpn/vrpn/blob/79deb000cc0b47ae49a80c92c78167c02d8a04d8/vrpn_Connection.Cnvd
- github.com/vrpn/vrpn/commit/0da5b0b71e06e8c318a4e674c84caee12251a782nvd
- github.com/vrpn/vrpn/commit/c893b583d928fd17d756b39271b2eae71766e7f2nvd
- www.vulncheck.com/advisories/vrpn-through-07.36-out-of-bounds-write-via-sender-description-type-description-length-indexnvd
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