CVE-2018-19541 Memory corruption in n/a

What is CVE-2018-19541?

CVE-2018-19541 is a high-severity memory corruption 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 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15, 1.900.16, 1.900.17, 1.900.18, 1.900.19, 1.900.20, 1.900.21, 1.900.22, 1.900.23, 1.900.24, 1.900.25, 1.900.26, 1.900.27, 1.900.28, 1.900.29, 1.900.30, 1.900.31, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16. There is a heap-based buffer over-read of size 8 in the function jas_image_depalettize in libjasper/base/jas_image.c.

Weakness: CWE-125

Which versions are affected by CVE-2018-19541?

It affects 5 products.

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

How do I fix CVE-2018-19541?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-19541 being exploited?

There is no known exploitation of CVE-2018-19541 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-2rx7-vfcv-7r3v, UBUNTU-CVE-2018-19541.