CVE-2017-16844 — procmail - security update

Description

Heap-based buffer overflow in the loadbuf function in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted e-mail message because of a hardcoded realloc size, a different vulnerability than CVE-2014-3618.

How to fix CVE-2017-16844

To remediate CVE-2017-16844, upgrade the affected package to a fixed version below.

—upgrade to 3.22-26 or later
—upgrade to 3.22-20+deb7u2 or later
—upgrade to 3.22-24+deb8u1 or later

Is CVE-2017-16844 being exploited?

Moderate — EPSS is 12.5%. Track this CVE but it's not at the top of the prioritisation list.

Affected packages (3)

from 0, < 3.22-26
from 0, < 3.22-20+deb7u2
from 0, < 3.22-24+deb8u1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)

ADVISORYsecurity-tracker.debian.org/tracker/CVE-2017-16844