What’s Vulnerable › Vulnerabilities

CVE-2022-40090

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-835

Description

An issue was discovered in function TIFFReadDirectory libtiff before 4.4.0 allows attackers to cause a denial of service via crafted TIFF file.

Affected products

• libtiff: before 4.4.0 — fixed in 4.4.0

How to fix

Upgrade to a fixed version: libtiff 4.4.0. Check the vendor advisory for mitigations.

References

• https://gitlab.com/libtiff/libtiff/-/issues/455
• https://gitlab.com/libtiff/libtiff/-/merge_requests/386
• https://gitlab.com/libtiff/libtiff/-/issues/455
• https://gitlab.com/libtiff/libtiff/-/merge_requests/386

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