CVE-2022-4337 Memory corruption in openvswitch

What is CVE-2022-4337?

CVE-2022-4337 is a critical memory corruption vulnerability in Debian Debian Linux, published on 10 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.

Weakness: CWE-125

Which versions are affected by CVE-2022-4337?

It affects 2 products.

Products include Debian Debian Linux, Openvswitch Openvswitch.

How do I fix CVE-2022-4337?

Apply the vendor's patch.

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

Is CVE-2022-4337 being exploited?

There is no known exploitation of CVE-2022-4337 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-12952, DEBIAN-CVE-2022-4337, GHSA-3ch9-x7v9-qhxv, UBUNTU-CVE-2022-4337.