CVE-2026-5123
osrg GoBGP bgp.go DecodeFromBytes off-by-one
Summary
osrg GoBGP bgp.go DecodeFromBytes off-by-one
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-5123 gobgp
- Ubuntu UBUNTU-CVE-2026-5123 gobgp
References
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- patch github.com
- patch github.com
- report vuldb.com
- web github.com