CVE-2019-11476 Integer overflow in whoopsie results in out-of-bounds heap write

What is CVE-2019-11476?

CVE-2019-11476 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 29 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-execution in the context of the whoopsie process.

Weakness: CWE-190

Which versions are affected by CVE-2019-11476?

It affects 1 product.

Products include Canonical Ubuntu Linux.

How do I fix CVE-2019-11476?

Apply the vendor's patch.

Is CVE-2019-11476 being exploited?

There is no known exploitation of CVE-2019-11476 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-g2qp-pv3v-q7w2, UBUNTU-CVE-2019-11476, USN-4052-1.