Buffer Overflow Vulnerability in GoBGP by osrg
CVE-2026-7735

6.9MEDIUM

Key Information:

Vendor

Osrg

Status
Gobgp
Vendor
CVE Published:
4 May 2026

What is CVE-2026-7735?

A buffer overflow vulnerability exists in the PathAttributeAigp.DecodeFromBytes function of the AIGP Attribute Parser in GoBGP versions up to 4.3.0. This flaw can potentially be exploited remotely, allowing attackers to manipulate the input data to cause unexpected behavior in the application. Affected users are recommended to upgrade to version 4.4.0, where the issue has been addressed with a specific patch identified by commit 51ad1ada06cb41ce47b7066799981816f50b7ced.

Affected Version(s)

GoBGP 4.0

GoBGP 4.1

GoBGP 4.2

References

https://vuldb.com/vuln/360910
vdb-entrytechnical-description
https://vuldb.com/vuln/360910/cti
signaturepermissions-required
https://vuldb.com/submit/807600
third-party-advisory

CVSS V4

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

rensiru (VulDB User)
.