gobgp: An issue was discovered in GoBGP before 3.35.0
CVE-2025-43972 is fixed in 3 products on 1 platform, first by gobgpd 1.29-1ubuntu0.1+esm1, released April 20, 2025. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gobgp · Debian 13.5 (trixie) | 3.35.0-1 | DEBIAN-CVE-2025-43972 | Apr 21, 2025 |
| gobgp · Debian 14 | 3.35.0-1 | DEBIAN-CVE-2025-43972 | Apr 21, 2025 |
| gobgpd · Ubuntu 18.04.6 LTS (bionic) | 1.29-1ubuntu0.1+esm1 | gobgpd 1.29-1ubuntu0.1+esm1 | Apr 20, 2025 |
| gobgpd · Ubuntu 20.04 LTS (focal) | 2.12.0-1ubuntu0.1~esm2 | gobgpd 2.12.0-1ubuntu0.1~esm2 | Apr 20, 2025 |
| gobgpd · Ubuntu 22.04.1 LTS (jammy) | 2.25.0-3ubuntu0.1+esm2 | gobgpd 2.25.0-3ubuntu0.1+esm2 | Apr 20, 2025 |
| gobgpd · Ubuntu 24.04.5 LTS (noble) | 3.23.0-1ubuntu0.3+esm2 | gobgpd 3.23.0-1ubuntu0.3+esm2 | Apr 20, 2025 |
| golang-github-osrg-gobgp-dev · Ubuntu 18.04.6 LTS (bionic) | 1.29-1ubuntu0.1+esm1 | golang-github-osrg-gobgp-dev 1.29-1ubuntu0.1+esm1 | Apr 20, 2025 |
| 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 | Apr 20, 2025 |
| 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 | Apr 20, 2025 |
| golang-github-osrg-gobgp-dev · Ubuntu 24.04.5 LTS (noble) | 3.23.0-1ubuntu0.3+esm2 | golang-github-osrg-gobgp-dev 3.23.0-1ubuntu0.3+esm2 | Apr 20, 2025 |
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