CVE-2026-27798

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

How to fix CVE-2026-27798

To remediate CVE-2026-27798, upgrade the affected package to a fixed version below.

—upgrade to 8:6.9.11.60+dfsg-1.3+deb11u10 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later
—upgrade to 14.10.3 or later

Is CVE-2026-27798 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (20)

from 0, < 8:6.9.11.60+dfsg-1.3+deb11u10
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3
from 0, < 14.10.3

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM4.0	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N