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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-5123

osrg GoBGP bgp.go DecodeFromBytes off-by-one

Description

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data[1] can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is said to be difficult. This patch is called 67c059413470df64bc20801c46f64058e88f800f. A patch should be applied to remediate this issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

osrg GoBGP

  • 4.0affected
  • 4.1affected
  • 4.2affected
  • 4.3.0affected

References