CVE-2016-9591 Use after free in jasper

What is CVE-2016-9591?

CVE-2016-9591 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 9 Mar 2018. 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

JasPer before version 2.0.12 is vulnerable to a use-after-free in the way it decodes certain JPEG 2000 image files resulting in a crash on the application using JasPer.

Weakness: CWE-416

Which versions are affected by CVE-2016-9591?

It affects 6 products.

Products include Debian Debian Linux, Jasper Project Jasper, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.

How do I fix CVE-2016-9591?

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-2016-9591 being exploited?

There is no known exploitation of CVE-2016-9591 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-j57x-xc7m-f43w, UBUNTU-CVE-2016-9591.