In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled execution; it may result in denial of service or possibly unspecified other impact.
https://github.com/openexr/openexr/issues/238
https://github.com/openexr/openexr/releases/tag/v2.3.0
https://github.com/xiaoqx/pocs/blob/master/openexr.md
https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html
Source: MITRE
Published: 2017-08-07
Updated: 2020-08-30
Type: CWE-125
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:3.0/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