A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
https://bugzilla.redhat.com/show_bug.cgi?id=1932044
https://gitlab.com/libtiff/libtiff/-/merge_requests/159
https://www.debian.org/security/2021/dsa-4869
https://security.gentoo.org/glsa/202104-06
https://security.netapp.com/advisory/ntap-20210521-0009/
https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html
Source: MITRE
Published: 2021-03-09
Updated: 2022-07-30
Type: CWE-787
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH