What’s Vulnerable › Vulnerabilities

CVE-2022-1622

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-11 · updated 2026-06-17
• Weakness: CWE-125

Description

LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:619, 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 b4e79bfa.

Affected products

• Apple Iphone Os: before 16.0 — fixed in 16.0
• Apple macOS: from 11.0 before 11.7; from 12.0 before 12.6 — fixed in 11.7, 12.6
• Apple tvOS: before 16.0 — fixed in 16.0
• Apple watchOS: before 9.0 — fixed in 9.0
• Fedoraproject Fedora: 35, 36
• libtiff: 4.3.0
• NetApp ONTAP Select Deploy administration utility: all versions

How to fix

Upgrade to a fixed version: Apple Iphone Os 16.0; Apple macOS 11.7, 12.6; Apple tvOS 16.0; Apple watchOS 9.0. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/Oct/28
• http://seclists.org/fulldisclosure/2022/Oct/39
• http://seclists.org/fulldisclosure/2022/Oct/41
• https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1622.json
• https://gitlab.com/libtiff/libtiff/-/commit/b4e79bfa0c7d2d08f6f1e7ec38143fc8cb11394a
• https://gitlab.com/libtiff/libtiff/-/issues/410
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7IWZTB4J2N4F5OR5QY4VHDSKWKZSWN3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAFOP6QQRNZD3HPZ6BMCEZZOM4YIZMK/
• https://security.netapp.com/advisory/ntap-20220616-0005/
• https://support.apple.com/kb/HT213443
• https://support.apple.com/kb/HT213444
• https://support.apple.com/kb/HT213446

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