CVE-2020-6795

MEDIUM

Description

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1611105

https://security.gentoo.org/glsa/202003-10

https://www.mozilla.org/security/advisories/mfsa2020-07/

Details

Source: MITRE

Published: 2020-03-02

Updated: 2020-03-14

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM