CVE-2022-26129 Memory corruption in FRRouting

High 7.8 Published Updated

Buffer overflow in FRRouting Babel protocol allows remote attackers to execute arbitrary code or cause denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-26129?

CVE-2022-26129 is a high-severity memory corruption vulnerability in FRRouting, published on 3 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the subtlv length in the functions, parse_hello_subtlv, parse_ihu_subtlv, and parse_update_subtlv in babeld/message.c.

Weakness: CWE-119

Which versions are affected by CVE-2022-26129?

It affects 1 product.

Products include Frrouting Frrouting.

How do I fix CVE-2022-26129?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-26129 being exploited?

There is no known exploitation of CVE-2022-26129 in the wild and no public exploit code.

Sources

Also known as CLEANSTART-2025-KI11722, DEBIAN-CVE-2022-26129, GHSA-54p4-8qjr-jvgc, UBUNTU-CVE-2022-26129.

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