CVE-2022-3626 Memory corruption in libtiff

What is CVE-2022-3626?

CVE-2022-3626 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 21 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemset in libtiff/tif_unix.c:340 when called from processCropSelections, tools/tiffcrop.c:7619, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.

Weakness: CWE-787

Which versions are affected by CVE-2022-3626?

It affects 3 products.

Products include Debian Debian Linux, Libtiff Libtiff, Netapp Active Iq Unified Manager.

How do I fix CVE-2022-3626?

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-2022-3626 being exploited?

There is no known exploitation of CVE-2022-3626 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• 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-2022-3626, AZL-11287, DEBIAN-CVE-2022-3626, GHSA-q8fq-52x5-p228, JLSEC-2025-286.