Bug 2453019 (CVE-2026-5122) - CVE-2026-5122 github.com/osrg/gobgp: osrg GoBGP: Improper access controls via domainNameLen argument manipulation
Summary: CVE-2026-5122 github.com/osrg/gobgp: osrg GoBGP: Improper access controls via...
Keywords:
Status: NEW
Alias: CVE-2026-5122
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2453526
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-30 15:02 UTC by OSIDB Bzimport
Modified: 2026-03-31 20:28 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-03-30 15:02:16 UTC 
A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.
Note You need to log in before you can comment on or make changes to this bug.