CVE-2020-16117

evolution-data-server: NULL pointer dereference related to imapx_free_capability and imapx_connect_to_server

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Severity

Low

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · July 30, 2020

Updated · June 27, 2026

Description

A NULL pointer dereference flaw was found in the GNOME evolution-data-server when a mail client parses invalid messages from a malicious server. This flaw allows an attacker who controls a mail server the ability to crash the mail clients. The highest threat from this vulnerability is to system availability.

Statement

The flaw requires a malicious server and it can at most make the client application crash, without additional damage to the client's data or system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference