Buffer overflow in Osrg Gobgp
CVE-2026-7737
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…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Osrg Gobgp — versions 4.0, 4.1, 4.2
Weakness classification (CWE)
References
- cna@vuldb.com (Product, product)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (Product, Patch, patch)
- Submit #807605 | osrg GoBGP <= 4.3.0 Out-of-Bounds Read (Third Party Advisory, VDB Entry, third-party-advisory)
- VDB-360912 | osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-bounds (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-360912 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
Frequently asked questions
- What is CVE-2026-7737?
- CVE-2026-7737 is a medium-severity vulnerability in Osrg Gobgp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-05-04.
- How severe is CVE-2026-7737?
- Medium severity. CVSS v3 base score is 5.3 out of 10.