A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.
CVSS Score
3.7
EPSS Score
0.0
Published
2026-03-30
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.
CVSS Score
3.7
EPSS Score
0.001
Published
2026-03-30
An issue was discovered in GoBGP before 3.35.0. pkg/packet/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).
CVSS Score
4.3
EPSS Score
0.001
Published
2025-04-21
An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.
CVSS Score
8.6
EPSS Score
0.001
Published
2025-04-21
An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.
CVSS Score
6.8
EPSS Score
0.001
Published
2025-04-21
An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.
CVSS Score
6.8
EPSS Score
0.001
Published
2025-04-21