CVE-2024-13978 LibTIFF fax2ps tiff2pdf.c t2p_read_tiff_init null pointer dereference

Low 2.0 Published Updated

A local attacker can cause a denial of service via null pointer dereference in LibTIFF's tiff2pdf tool, requiring high complexity and local access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-13978?

CVE-2024-13978 is a low-severity vulnerability in Libtiff Libtiff, published on 1 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in LibTIFF up to 4.7.0. It has been declared as problematic. Affected by this vulnerability is the function t2p_read_tiff_init of the file tools/tiff2pdf.c of the component fax2ps. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation appears to be difficult. The patch is named 2ebfffb0e8836bfb1cd7d85c059cd285c59761a4. It is recommended to apply a patch to fix this issue.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2024-13978?

It affects 1 product.

Products include Libtiff Libtiff.

How do I fix CVE-2024-13978?

Apply the vendor's patch.

Is CVE-2024-13978 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-13978 exists.

All Libtiff Libtiff vulnerabilities

Sources

Also known as AZL-67256, AZL-67259, BELL-CVE-2024-13978, DEBIAN-CVE-2024-13978, ECHO-b9e1-8603-52cd, GHSA-p48p-6mxj-w7jx and 4 more.

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