Out-of-Bounds Read Vulnerability in GoBGP's BMP Parser by osrg
CVE-2026-7737

6.9MEDIUM

Key Information:

Vendor

Osrg

Status
Gobgp
Vendor
CVE Published:
4 May 2026

What is CVE-2026-7737?

A vulnerability in the BMP Parser of osrg's GoBGP affects versions up to 4.3.0, specifically in the functions BMPPeerUpNotification.ParseBody and BMPStatisticsReport.ParseBody. This issue allows for remote attackers to manipulate data leading to out-of-bounds read scenarios, potentially exposing sensitive information. It is recommended to upgrade to version 4.4.0 or later to mitigate this risk, as it incorporates a necessary patch identified by the commit bc77597d42335c78464bc8e15a471d887bbdf260.

Affected Version(s)

GoBGP 4.0

GoBGP 4.1

GoBGP 4.2

References

https://vuldb.com/vuln/360912
vdb-entrytechnical-description
https://vuldb.com/vuln/360912/cti
signaturepermissions-required
https://vuldb.com/submit/807605
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sunxj (VulDB User)
.