CVE-2018-14423 Denial of service in n/a

What is CVE-2018-14423?

CVE-2018-14423 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 19 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in lib/openjp3d/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

Weakness: CWE-369

Which versions are affected by CVE-2018-14423?

It affects 2 products.

Products include Debian Debian Linux, Uclouvain Openjpeg.

How do I fix CVE-2018-14423?

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-2018-14423 being exploited?

There is no known exploitation of CVE-2018-14423 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-2018-14423, DEBIAN-CVE-2018-14423, GHSA-vc8p-9hr8-jgqx, MGASA-2019-0119, UBUNTU-CVE-2018-14423.