A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
https://www.debian.org/security/2022/dsa-5300
https://lists.debian.org/debian-lts-announce/2022/12/msg00024.html
http://www.libpng.org/pub/png/apps/pngcheck.html
Source: Mitre, NVD
Published: 2022-08-23
Updated: 2023-02-02
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H