There are 6 open security issues in trixie.
4 important issues:
- CVE-2026-5122:
A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.
- CVE-2026-5123:
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.
- CVE-2026-5124:
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.
- CVE-2026-30405:
An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute
2 issues left for the package maintainer to handle:
- CVE-2025-7464:
(needs triaging)
A vulnerability classified as problematic has been found in osrg GoBGP up to 3.37.0. Affected is the function SplitRTR of the file pkg/packet/rtr/rtr.go. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The name of the patch is e748f43496d74946d14fed85c776452e47b99d64. It is recommended to apply a patch to fix this issue.
- CVE-2023-46565:
(postponed; to be fixed through a stable update)
Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker to cause a denial of service via the handlingError function in pkg/server/fsm.go.
You can find information about how to handle these issues in the security team's documentation.
![[bug history graph]](https://qa.debian.org/data/bts/graphs/g/gobgp.png){kind=link}