CVE-2025-43973

Publication date 21 April 2025

Last updated 22 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.8 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
gobgp 25.04 plucky
Not affected
24.10 oracular Ignored end of life, was needed
24.04 LTS noble
Fixed 3.23.0-1ubuntu0.3+esm2
22.04 LTS jammy
Fixed 2.25.0-3ubuntu0.1+esm2
20.04 LTS focal
Fixed 2.12.0-1ubuntu0.1~esm2
18.04 LTS bionic
Fixed 1.29-1ubuntu0.1+esm1

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro 30-day free trial

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gobgp

Severity score breakdown

Parameter Value
Base score 6.8 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references