MEDIUM
Exiv2 0.26 has an integer overflow in the LoaderExifJpeg class in preview.cpp, leading to an out-of-bounds read in Exiv2::MemIo::read in basicio.cpp.
https://access.redhat.com/errata/RHSA-2019:2101
https://github.com/Exiv2/exiv2/issues/365
https://github.com/TeamSeri0us/pocs/blob/master/exiv2/1-out-of-read-Poc
https://lists.debian.org/debian-lts-announce/2018/06/msg00010.html
https://security.gentoo.org/glsa/201811-14
Source: MITRE
Published: 2018-06-13
Updated: 2019-08-06
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: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH