CVE-2022-0562
libtiff: Null source pointer lead to Denial of Service via crafted TIFF file
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 11, 2022
Updated · November 22, 2025
Description
A flaw was found in libtiff where a NULL source pointer passed as an argument to the memcpy() function within the TIFFReadDirectory() in tif_dirread.c. This flaw allows an attacker to exploit this vulnerability via a crafted TIFF file, causing a crash and leading to a denial of service.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference