CVE-2020-16117

medium

Description

In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.

References

https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html

https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189

https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7

https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5

Details

Source: Mitre, NVD

Published: 2020-07-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00331