CVE-2024-48877 Memory corruption in xls2csv
A heap buffer overflow in xls2csv allows attackers to execute arbitrary code or cause denial of service via a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-48877?
CVE-2024-48877 is a high-severity memory corruption vulnerability in xls2csv, published on 2 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A memory corruption vulnerability exists in the Shared String Table Record Parser implementation in xls2csv utility version 0.95. A specially crafted malformed file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2024-48877?
It affects 1 product.
Products include Wagner Xls2csv.
How do I fix CVE-2024-48877?
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-2024-48877 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-48877 exists.
Sources
Also known as DEBIAN-CVE-2024-48877, GHSA-2x4q-h3hx-hhh6, UBUNTU-CVE-2024-48877.