Out-of-bounds Read Affecting github.com/osrg/gobgp/packet/bgp package, versions >=0.0.0
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- published10 Jul 2026
- disclosed9 Jul 2026
- creditUnknown
Introduced: 9 Jul 2026
CVE-2026-49837 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
There is no fixed version for github.com/osrg/gobgp/packet/bgp.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the BGP OPEN capability parsing process. An attacker can influence peer AS validation and capability negotiation by sending a specially crafted BGP OPEN message with a malformed capability length, causing the parser to read bytes outside the declared boundary.