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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-5123 Detail

Description

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data[1] can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is said to be difficult. This patch is called 67c059413470df64bc20801c46f64058e88f800f. A patch should be applied to remediate this issue.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-B 6.3 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/osrg/gobgp/ VulDB
https://github.com/osrg/gobgp/commit/67c059413470df64bc20801c46f64058e88f800f VulDB
https://github.com/osrg/gobgp/pull/3342 VulDB
https://vuldb.com/submit/780179 VulDB
https://vuldb.com/vuln/354155 VulDB
https://vuldb.com/vuln/354155/cti VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors VulDB  
CWE-193 Off-by-one Error VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-5123
NVD Published Date:
03/30/2026
NVD Last Modified:
03/30/2026
Source:
VulDB