CVE-2019-14697 Memory corruption in n/a

Critical 9.8 Published 6 Aug 2019 Updated 5 Aug 2024

An x87 floating-point stack imbalance in musl libc can cause out-of-bounds writes, potentially leading to code execution or crashes.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2019-14697?

CVE-2019-14697 is a critical memory corruption vulnerability in n/a, published on 6 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i386/ directory. In some cases, use of this library could introduce out-of-bounds writes that are not present in an application's source code.

Weakness: CWE-787

Which versions are affected by CVE-2019-14697?

It affects 1 product.

Products include Musl-Libc Musl.

How do I fix CVE-2019-14697?

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-2019-14697 being exploited?

There is no known exploitation of CVE-2019-14697 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2019-14697, DEBIAN-CVE-2019-14697, GHSA-x5qg-pw5v-r37v, UBUNTU-CVE-2019-14697.