CVE-2022-0561 Null dereference in libtiff

What is CVE-2022-0561?

CVE-2022-0561 is a medium-severity vulnerability in Debian Debian Linux, published on 11 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Null source pointer passed as an argument to memcpy() function within TIFFFetchStripThing() in tif_dirread.c in libtiff versions from 3.9.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, the fix is available with commit eecb0712.

Weakness: CWE-476

Which versions are affected by CVE-2022-0561?

It affects 5 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Libtiff Libtiff, Netapp Ontap Select Deploy Administration Utility, Redhat Enterprise Linux.

How do I fix CVE-2022-0561?

Apply the vendor's patch.

Is CVE-2022-0561 being exploited?

There is no known exploitation of CVE-2022-0561 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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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 ALPINE-CVE-2022-0561, AZL-44223, AZL-8527, CLSA-2026-1784816759, CLSA-2026-1784819367, DEBIAN-CVE-2022-0561 and 3 more.