CVE-2025-62171

Description

ImageMagick is an open source software suite for displaying, converting, and editing raster image files. In ImageMagick versions prior to 7.1.2-7 and 6.9.13-32, an integer overflow vulnerability exists in the BMP decoder on 32-bit systems. The vulnerability occurs in coders/bmp.c when calculating the extent value by multiplying image columns by bits per pixel. On 32-bit systems with size_t of 4 bytes, a malicious BMP file with specific dimensions can cause this multiplication to overflow and wrap to zero. The overflow check added to address CVE-2025-57803 is placed after the overflow occurs, making it ineffective. A specially crafted 58-byte BMP file with width set to 536,870,912 and 32 bits per pixel can trigger this overflow, causing the bytes_per_line calculation to become zero. This vulnerability only affects 32-bit builds of ImageMagick where default resource limits for width, height, and area have been manually increased beyond their defaults. 64-bit systems with size_t of 8 bytes are not vulnerable, and systems using default ImageMagick resource limits are not vulnerable. The vulnerability is fixed in versions 7.1.2-7 and 6.9.13-32.

How to fix CVE-2025-62171

To remediate CVE-2025-62171, upgrade the affected package to a fixed version below.

—upgrade to 8:6.9.11.60+dfsg-1.3+deb11u7 or later
—upgrade to 8:6.9.11.60+dfsg-1.3+deb11u7 or later
—upgrade to 14.9.0 or later
—upgrade to 14.9.0 or later
—upgrade to 14.9.0 or later
—upgrade to 14.9.0 or later
—upgrade to 14.9.0 or later
—upgrade to 14.9.0 or later

Is CVE-2025-62171 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (8)

from 0, < 8:6.9.11.60+dfsg-1.3+deb11u7
from 0, < 8:6.9.11.60+dfsg-1.3+deb11u7
from 0, < 14.9.0
from 0, < 14.9.0
from 0, < 14.9.0
from 0, < 14.9.0
from 0, < 14.9.0
from 0, < 14.9.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM4.4	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H