# CVE-2023-46565: gobgp: Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker...

CVE-2023-46565 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2023-46565, released April 29, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-46565
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0075
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 29, 2024

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gobgp Debian 14 | 4.3.0-1 | [DEBIAN-CVE-2023-46565](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46565.md) | Apr 29, 2024 |
| Linux | gobgpd Ubuntu 20.04 LTS (focal) | 2.12.0-1ubuntu0.1~esm2 | [gobgpd 2.12.0-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gobgpd-2.12.0-1ubuntu0.1-esm2.md) | Apr 20, 2025 |
| Linux | gobgpd Ubuntu 22.04.1 LTS (jammy) | 2.25.0-3ubuntu0.1+esm2 | [gobgpd 2.25.0-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gobgpd-2.25.0-3ubuntu0.1-esm2.md) | Apr 20, 2025 |
| Linux | golang-github-osrg-gobgp-dev Ubuntu 20.04 LTS (focal) | 2.12.0-1ubuntu0.1~esm2 | [golang-github-osrg-gobgp-dev 2.12.0-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-osrg-gobgp-dev-2.12.0-1ubuntu0.1-esm2.md) | Apr 20, 2025 |
| Linux | golang-github-osrg-gobgp-dev Ubuntu 22.04.1 LTS (jammy) | 2.25.0-3ubuntu0.1+esm2 | [golang-github-osrg-gobgp-dev 2.25.0-3ubuntu0.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-osrg-gobgp-dev-2.25.0-3ubuntu0.1-esm2.md) | Apr 20, 2025 |
| Linux | lxd opensuse-leap 16.0 | 5.21.6-bp160.1.1 | [OPENSUSE-SU-2026:21788-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21788-1.md) | Sep 2, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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