libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.
https://github.com/FreeRDP/FreeRDP/issues/5645
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00005.html
https://security.gentoo.org/glsa/202005-07
https://usn.ubuntu.com/4379-1/
https://github.com/FreeRDP/FreeRDP/commit/9fee4ae076b1ec97b97efb79ece08d1dab4df29a
Source: MITRE
Published: 2019-10-04
Updated: 2021-07-21
Type: CWE-772
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH