CVE-2019-19966 Use after free in n/a

What is CVE-2019-19966?

CVE-2019-19966 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 25 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.

Weakness: CWE-416

Which versions are affected by CVE-2019-19966?

It affects 13 products.

Products include Debian Debian Linux, Linux kernel, Netapp Active Iq Unified Manager, Netapp Aff Baseboard Management Controller, Netapp Cloud Backup, Netapp Data Availability Services and 7 more.

How do I fix CVE-2019-19966?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-19966 being exploited?

There is no known exploitation of CVE-2019-19966 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 DEBIAN-CVE-2019-19966, GHSA-q7m5-9jvx-5gxh, UBUNTU-CVE-2019-19966.