CVE-2022-0891
libtiff: heap buffer overflow in extractImageSection
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 22, 2022
Updated · November 22, 2025
Description
A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could result into application crash, potential information disclosure or any other context-dependent impact
Statement
The severity of this flaw was changed to Low because it is an out-of-bounds read of 1 byte and in the tiffcrop tool rather than in the library.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.1CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')