CVE-2019-14372 Denial of service in n/a

What is CVE-2019-14372?

CVE-2019-14372 is a medium-severity denial of service vulnerability in Libav Libav, published on 28 Jul 2019. 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

In Libav 12.3, there is an infinite loop in the function wv_read_block_header() in the file wvdec.c.

Weakness: CWE-835

Which versions are affected by CVE-2019-14372?

It affects 1 product.

Products include Libav Libav.

How do I fix CVE-2019-14372?

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-2019-14372 being exploited?

There is no known exploitation of CVE-2019-14372 in the wild and no public exploit code.

Other vulnerabilities in Libav Libav

• CVE-2014-3984 Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors. Critical 10.0
• CVE-2017-9051 Null dereference in n/a Critical 9.8
• CVE-2014-4609 Integer overflow in n/a High 8.8
• CVE-2019-9719 Memory corruption in n/a High 8.8
• CVE-2018-5766 Memory corruption in n/a High 8.8

All Libav Libav vulnerabilities

Sources

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

Also known as GHSA-rqp2-j5g9-2583, UBUNTU-CVE-2019-14372.