CVE-2019-12973 Denial of service in n/a

What is CVE-2019-12973?

CVE-2019-12973 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 26 Jun 2019. 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

In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. This issue is similar to CVE-2018-6616.

Weakness: CWE-834

Which versions are affected by CVE-2019-12973?

It affects 5 products.

Products include Debian Debian Linux, Opensuse Leap, Oracle Database Server, Oracle Outside in Technology, Uclouvain Openjpeg.

How do I fix CVE-2019-12973?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-12973 being exploited?

There is no known exploitation of CVE-2019-12973 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 ALPINE-CVE-2019-12973, DEBIAN-CVE-2019-12973, GHSA-xvfr-r8m7-6v65, JLSEC-2026-533, MGASA-2019-0365, UBUNTU-CVE-2019-12973.