CVE-2022-3970: LibTIFF tif_getimage.c TIFFReadRGBATileExt integer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-13 · updated 2026-06-17
Weakness: CWE-189

Description

A vulnerability was found in LibTIFF. It has been classified as critical. This affects the function TIFFReadRGBATileExt of the file libtiff/tif_getimage.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 227500897dfb07fb7d27f7aa570050e62617e3be. It is recommended to apply a patch to fix this issue. The identifier VDB-213549 was assigned to this vulnerability.

Affected products

Apple iPadOS: before 16.6 — fixed in 16.6
Apple Iphone Os: before 16.6 — fixed in 16.6
Apple macOS: before 13.5 — fixed in 13.5
Apple Safari: before 16.5.1 — fixed in 16.5.1
Debian Linux: 10.0
libtiff: before 4.5.0 — fixed in 4.5.0
Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions

How to fix

Upgrade to a fixed version: Apple iPadOS 16.6; Apple Iphone Os 16.6; Apple macOS 13.5; Apple Safari 16.5.1; libtiff 4.5.0. Check the vendor advisory for mitigations.

References

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