CVE-2019-17533 Memory corruption in n/a

What is CVE-2019-17533?

CVE-2019-17533 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 13 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Mat_VarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\0' character, leading to a heap-based buffer over-read in strdup_vprintf when uninitialized memory is accessed.

Weakness: CWE-908, CWE-125

Which versions are affected by CVE-2019-17533?

It affects 2 products.

Products include Debian Debian Linux, Matio Project Matio.

How do I fix CVE-2019-17533?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-17533 being exploited?

There is no known exploitation of CVE-2019-17533 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-17533, DLA-2267-1, GHSA-5pj8-j8jm-vm7w, MGASA-2020-0299, UBUNTU-CVE-2019-17533, USN-5185-1.