CVE-2025-43972

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. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

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

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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