← CVE Radar
CVE-2026-123200VRPN through 07.36 Out-of-bounds Write via SENDER_DESCRIPTION/TYPE_DESCRIPTION length index
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.
8.7 HIGHEPSS 0.44%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.7 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| 7.5 | HIGH | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Details
- CVE ID
- CVE-2026-123200
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 19:17 UTC
- Weaknesses
- CWE-129 · Improper Validation of Array Index
Affected Products
As published by the CNA in the CVE record.
VRPNVRPN1 version range
- through 07.36
References
- github.com https://github.com/vrpn/vrpn/blob/79deb000cc0b47ae49a80c92c78167c02d8a04d8/vrpn_Connection.C#L4482
- github.com https://github.com/vrpn/vrpn/blob/79deb000cc0b47ae49a80c92c78167c02d8a04d8/vrpn_Connection.C#L4554
- github.com https://github.com/vrpn/vrpn/commit/0da5b0b71e06e8c318a4e674c84caee12251a782
- github.com https://github.com/vrpn/vrpn/commit/c893b583d928fd17d756b39271b2eae71766e7f2
- vulncheck.com https://www.vulncheck.com/advisories/vrpn-through-07.36-out-of-bounds-write-via-sender-description-type-description-length-index