CVE-2018-19841 Denial of service in n/a

What is CVE-2018-19841?

CVE-2018-19841 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 4 Dec 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

The function WavpackVerifySingleBlock in open_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (out-of-bounds read and application crash) via a crafted WavPack Lossless Audio file, as demonstrated by wvunpack.

Weakness: CWE-125

Which versions are affected by CVE-2018-19841?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Wavpack Wavpack.

How do I fix CVE-2018-19841?

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-2018-19841 being exploited?

There is no known exploitation of CVE-2018-19841 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 ALPINE-CVE-2018-19841, DEBIAN-CVE-2018-19841, GHSA-9mrm-pr49-g65g, UBUNTU-CVE-2018-19841.