messagepartthemes/default/defaultrenderer.cpp in messagelib in KDE Applications before 18.12.0 does not properly restrict the handling of an http-equiv="REFRESH" value.
https://cgit.kde.org/messagelib.git/commit/messageviewer/src/messagepartthemes/default/defaultrenderer.cpp?id=34765909cdf8e55402a8567b48fb288839c61612
Source: Mitre, NVD
Published: 2020-03-12
Updated: 2020-03-18
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N