libtiff's tiffcrop utility vulnerability: uint32_t underflow leading to out of bounds read and write

libtiff's tiffcrop utility vulnerability: uint32_t underflow leading to out of bounds read and write

CVE-2022-2867 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

libtiff's tiffcrop utility has a uint32_t underflow that can lead to out of bounds read and write. An attacker who supplies a crafted file to tiffcrop (likely via tricking a user to run tiffcrop on it with certain parameters) could cause a crash or in some cases, further exploitation.

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