An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.
https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f
https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
Source: MITRE
Published: 2020-05-21
Updated: 2022-04-26
Type: CWE-908
Base Score: 6.4
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Impact Score: 4.2
Exploitability Score: 3.9
Severity: HIGH