CVE-2018-19542 Null dereference in n/a

What is CVE-2018-19542?

CVE-2018-19542 is a medium-severity vulnerability in Canonical Ubuntu 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 a NULL pointer dereference in the function jp2_decode in libjasper/jp2/jp2_dec.c, leading to a denial of service.

Weakness: CWE-476

Which versions are affected by CVE-2018-19542?

It affects 6 products.

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

How do I fix CVE-2018-19542?

Upgrade to a fixed version.

Is CVE-2018-19542 being exploited?

There is no known exploitation of CVE-2018-19542 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qp52-65cq-8g48, UBUNTU-CVE-2018-19542.