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CVE-2025-43973

Good to know:

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Date: April 20, 2025

An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.

Severity Score

Related Resources (7)

https://github.com/advisories/GHSA-c5jg-wr5v-2wp2
https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0
https://github.com/osrg/gobgp
https://github.com/osrg/gobgp/commit/5693c58a4815cc6327b8d3b6980f0e5aced28abe
https://nvd.nist.gov/vuln/detail/CVE-2025-43973
https://security-tracker.debian.org/tracker/CVE-2025-43973
https://www.mend.io/vulnerability-database/CVE-2025-43973

Severity Score

Weakness Type (CWE)

Off-by-one Error

CWE-193

Top Fix

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Upgrade Version

Upgrade to version github.com/osrg/gobgp/v3 - v3.35.0;https://github.com/osrg/gobgp.git - v3.35.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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