CVE-2022-1664 directory traversal for in-place extracts with untrusted v2 and v3 source packages with debian.tar

What is CVE-2022-1664?

CVE-2022-1664 is a critical path traversal vulnerability in Debian Debian Linux, published on 26 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dpkg::Source::Archive in dpkg, the Debian package management system, before version 1.21.8, 1.20.10, 1.19.8, 1.18.26 is prone to a directory traversal vulnerability. When extracting untrusted source packages in v2 and v3 source package formats that include a debian.tar, the in-place extraction can lead to directory traversal situations on specially crafted orig.tar and debian.tar tarballs.

Weakness: CWE-22

Which versions are affected by CVE-2022-1664?

It affects 3 products.

Products include Debian Debian Linux, Debian Dpkg, Netapp Ontap Select Deploy Administration Utility.

How do I fix CVE-2022-1664?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-1664 being exploited?

There is no known exploitation of CVE-2022-1664 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• 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-2022-1664, AZL-9853, CLSA-2022-1654717100, DEBIAN-CVE-2022-1664, DLA-3022-1, DSA-5147-1 and 9 more.