CVE-2019-9034 Memory corruption in n/a

Critical 9.1 Published 23 Feb 2019 Updated 4 Aug 2024

A stack-based buffer over-read in libmatio allows attackers to cause denial of service or disclose sensitive memory contents via crafted MAT files.

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

What is CVE-2019-9034?

CVE-2019-9034 is a critical memory corruption vulnerability in n/a, published on 23 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a stack-based buffer over-read for a memcpy in the function ReadNextCell() in mat5.c.

Weakness: CWE-125

Which versions are affected by CVE-2019-9034?

It affects 1 product.

Products include Matio Project Matio.

How do I fix CVE-2019-9034?

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-2019-9034 being exploited?

There is no known exploitation of CVE-2019-9034 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2019-9034, GHSA-f6jf-ccf7-64gh, UBUNTU-CVE-2019-9034.