CVE-2018-15378

Publication date 8 October 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.

Status

Package Ubuntu Release Status
clamav 18.04 LTS bionic
Fixed 0.100.2+dfsg-1ubuntu0.18.04.1
16.04 LTS xenial
Fixed 0.100.2+dfsg-1ubuntu0.16.04.1
14.04 LTS trusty
Fixed 0.100.2+dfsg-1ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references