In Exiv2 0.26, Exiv2::IptcParser::decode in iptc.cpp (called from psdimage.cpp in the PSD image reader) may suffer from a denial of service (heap-based buffer over-read) caused by an integer overflow via a crafted PSD image file.
https://github.com/Exiv2/exiv2/pull/518
https://github.com/Exiv2/exiv2/issues/427
https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
https://usn.ubuntu.com/4056-1/
https://access.redhat.com/errata/RHSA-2019:2101
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
Source: MITRE
Published: 2018-11-08
Updated: 2023-03-01
Type: CWE-125
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM