In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the LTE RRC dissector could leak memory. This was addressed in epan/dissectors/packet-lte-rrc.c by adjusting certain append operations.
https://www.wireshark.org/security/wnpa-sec-2020-03.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16341
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://security.gentoo.org/glsa/202007-13
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
Source: MITRE
Published: 2020-02-27
Updated: 2021-07-21
Type: CWE-400
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