Null source pointer passed as an argument to memcpy() function within TIFFReadDirectory() in tif_dirread.c in libtiff versions from 4.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, a fix is available with commit 561599c.
https://gitlab.com/libtiff/libtiff/-/issues/362
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0562.json
https://lists.debian.org/debian-lts-announce/2022/03/msg00001.html
https://security.netapp.com/advisory/ntap-20220318-0001/
Source: MITRE
Published: 2022-02-11
Updated: 2022-11-16
Type: CWE-476
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM