Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used to get code execution. The component is: function name: pango_log2vis_get_embedding_levels, assignment of nchars and the loop condition. The attack vector is: Bug can be used when application pass invalid utf-8 strings to functions like pango_itemize.
https://usn.ubuntu.com/4081-1/
https://www.debian.org/security/2019/dsa-4496
https://seclists.org/bugtraq/2019/Aug/14
https://access.redhat.com/errata/RHSA-2019:2571
https://access.redhat.com/errata/RHSA-2019:2582
https://security.gentoo.org/glsa/201909-03
https://access.redhat.com/errata/RHSA-2019:2594
https://access.redhat.com/errata/RHBA-2019:2824
https://access.redhat.com/errata/RHSA-2019:3234
https://www.oracle.com/security-alerts/cpuapr2020.html
https://gitlab.gnome.org/GNOME/pango/-/issues/342
https://gitlab.gnome.org/GNOME/pango/-/commits/main/pango/pango-bidi-type.c
Source: MITRE
Published: 2019-07-19
Updated: 2022-04-12
Type: CWE-787
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL