gobgp: A vulnerability has been found in osrg GoBGP up to 4.3.0
CVE-2026-7734 is fixed in 4 products on 1 platform, first by gobgpd 2.25.0-3ubuntu0.1+esm4, released May 7, 2026. It is not reported as exploited. Patch Radar priority: High.
A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gobgp · Debian 14 | 4.4.0-1 | DEBIAN-CVE-2026-7734 | May 15, 2026 |
| gobgpd · Ubuntu 22.04.1 LTS (jammy) | 2.25.0-3ubuntu0.1+esm4 | gobgpd 2.25.0-3ubuntu0.1+esm4 | May 7, 2026 |
| gobgpd · Ubuntu 24.04.5 LTS (noble) | 3.23.0-1ubuntu0.3+esm4 | gobgpd 3.23.0-1ubuntu0.3+esm4 | May 7, 2026 |
| gobgpd · Ubuntu 26.04.1 LTS (resolute) | 3.36.0-2ubuntu0.1~esm1 | gobgpd 3.36.0-2ubuntu0.1~esm1 | May 7, 2026 |
| golang-github-osrg-gobgp-dev · Ubuntu 22.04.1 LTS (jammy) | 2.25.0-3ubuntu0.1+esm4 | golang-github-osrg-gobgp-dev 2.25.0-3ubuntu0.1+esm4 | May 7, 2026 |
| golang-github-osrg-gobgp-dev · Ubuntu 24.04.5 LTS (noble) | 3.23.0-1ubuntu0.3+esm4 | golang-github-osrg-gobgp-dev 3.23.0-1ubuntu0.3+esm4 | May 7, 2026 |
| golang-github-osrg-gobgp-dev · Ubuntu 26.04.1 LTS (resolute) | 3.36.0-2ubuntu0.1~esm1 | golang-github-osrg-gobgp-dev 3.36.0-2ubuntu0.1~esm1 | May 7, 2026 |
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | OPENSUSE-SU-2026:21483-1 | Jul 30, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.