CVE-2023-48107 Memory corruption in n/a

High 8.8 Published 22 Nov 2023 Updated 4 Nov 2025

A buffer overflow in zlib-ng minizip-ng allows attackers to execute arbitrary code via a crafted file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-48107?

CVE-2023-48107 is a high-severity memory corruption vulnerability in n/a, published on 22 Nov 2023. 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

Buffer Overflow vulnerability in zlib-ng minizip-ng v.4.0.2 allows an attacker to execute arbitrary code via a crafted file to the mz_path_has_slash function in the mz_os.c file.

Weakness: CWE-787

Which versions are affected by CVE-2023-48107?

It affects 1 product.

Products include Zlib-Ng Minizip-Ng.

How do I fix CVE-2023-48107?

No fix has been published for CVE-2023-48107 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2023-48107 being exploited?

There is no known exploitation of CVE-2023-48107 in the wild and no public exploit code.

Sources

Also known as AZL-43783, GHSA-j5rw-m6xg-866q.