CVE-2018-19539 Denial of service in n/a

What is CVE-2018-19539?

CVE-2018-19539 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 26 Nov 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in JasPer 2.0.14. There is an access violation in the function jas_image_readcmpt in libjasper/base/jas_image.c, leading to a denial of service.

Weakness: CWE-617

Which versions are affected by CVE-2018-19539?

It affects 5 products.

Products include Debian Debian Linux, Jasper Project Jasper, Opensuse Leap, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server.

How do I fix CVE-2018-19539?

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-2018-19539 being exploited?

There is no known exploitation of CVE-2018-19539 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 GHSA-p8xp-97mv-85m7, UBUNTU-CVE-2018-19539.