Vulnerability · Published May 4, 2026 · Assigned by VulDB
CVE-2026-7737osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-bounds
Medium 5.3
In plain English
A medium-severity out-of-bounds read in GoBGP from osrg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A vulnerability was identified in osrg GoBGP up to 4.3.0. Affected by this issue is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. Upgrading to version 4.4.0 can resolve this issue. The identifier of the patch is bc77597d42335c78464bc8e15a471d887bbdf260. Upgrading the affected component is recommended.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gobgp | no fix listed | DEBIAN-CVE-2026-7737 |
| Debian:13 | gobgp | no fix listed | DEBIAN-CVE-2026-7737 |
| Debian:14 | gobgp | 4.4.0-1 | DEBIAN-CVE-2026-7737 |
| Go | github.com/osrg/gobgp | 4.4.0 | GHSA-w88c-9vg8-cmq8 |
| Go | github.com/osrg/gobgp/v4 | 4.4.0 | GO-2026-5699 |
| Ubuntu:25.10 | gobgp | no fix listed | UBUNTU-CVE-2026-7737 |
Affected products (as reported)
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
References
- VDB-360912 | osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-bounds vdb-entry, technical-description
- VDB-360912 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #807605 | osrg GoBGP <= 4.3.0 Out-of-Bounds Read third-party-advisory
- https://github.com/osrg/gobgp/commit/bc77597d42335c78464bc8e15a471d887bbdf260 patch
- https://github.com/osrg/gobgp/releases/tag/v4.4.0 patch
- https://github.com/osrg/gobgp/ product