CVE-2026-7735 MEDIUM

CVE-2026-7735: osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFromBytes buffer overflow

Vendor Osrg
Product GoBGP
Weakness CWE-120
Published May 4, 2026
Last update May 4, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 4, 2026 Record updated