CVE-2026-56374 | ImageMagick before 7.1.2-19 contains a heap buffer overflow … | CVSS 3.3 LOW

Description

ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the FTXT encoder due to missing boundary checks when parsing ftxt:format. Remote attackers can trigger an out of bounds read by crafting malicious FTXT image files to cause denial of service or information disclosure.

Metadata

CVE ID: CVE-2026-56374
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-21 02:05 UTC
Published: 2026-07-08 13:49 UTC
Last updated: 2026-07-08 15:46 UTC
Primary CWE: CWE-125
Out-of-bounds Read
Vendor / Product: ImageMagick / ImageMagick
Sources: cve.org · NVD

Severity & Metrics

3.3 LOW CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
ImageMagick	ImageMagick	—	0 < 7.1.2-19, 7.1.2-19

Weakness (CWE)

CWE	Source	Description
CWE-125	cna	Out-of-bounds Read

CVSS scores (2)

Score	Severity	Version	Source	Vector
4.8	MEDIUM	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3.3	LOW	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References (2)

GitHub Security Advisory (GHSA-w54j-7wpm-crhj) https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-w54j-7wpm-crhj
VulnCheck Advisory: ImageMagick - Heap Buffer Overflow in FTXT Encoder via format Parameter https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-in-ftxt-encoder-via-format-parameter