CVE-2026-56367
ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding
Description
ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to information disclosure or a crash.
INFO
Published Date :
June 21, 2026, 2:16 p.m.
Last Modified :
June 26, 2026, 1:50 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | LOW | MITRE-CVE | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update ImageMagick to version 7.1.2-15 or later.
- Update ImageMagick to version 6.9.13-40 or later.
- Apply relevant security patches to ImageMagick.
Public PoC/Exploit Available at Github
CVE-2026-56367 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-56367.
| URL | Resource |
|---|---|
| https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4 | Vendor Advisory |
| https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-56367 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-56367
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-56367 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-56367 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* versions from (including) 7.1.2-0 up to (excluding) 7.1.2-15 *cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* versions from (including) 6.9.0-0 up to (excluding) 6.9.13-40 Added Reference Type VulnCheck: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4 Types: Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 22, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-56367', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-22T12:18:37.914953Z'} -
CVE Modified by [email protected]
Jun. 22, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '7.1.2-15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.2-15', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '6.9.13-40', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.9.13-40', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] [{'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '7.0.0', 'lessThan': '7.1.2-15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.2-15', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '6.9.0', 'lessThan': '6.9.13-40', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.9.13-40', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] -
New CVE Received by [email protected]
Jun. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '7.1.2-15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.2-15', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}, {'vendor': 'ImageMagick', 'product': 'ImageMagick', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '6.9.13-40', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.9.13-40', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to information disclosure or a crash. Added CVSS V4.0 AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-125 Added Reference https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-273h-m46v-96q4 Added Reference https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-psb-rle-decoding