CVE-2026-56367— ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding
Possible ATT&CK Techniques 2AI
T1203 · Exploitation for Client Execution T1005 · Data from Local SystemAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ImageMagick | ImageMagick | 7.0.0< 7.1.2-15 | affected |
7.1.2-15 | unaffected | ||
6.9.0< 6.9.13-40 | affected | ||
6.9.13-40 | unaffected |
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I. Basic Information for CVE-2026-56367
Vulnerability Information
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Vulnerability Title
ImageMagick - Heap Out-of-Bounds Read in PSB RLE Decoding
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
ImageMagick 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImageMagick是ImageMagick团队开源的一套开源的图像处理软件。可读取、转换或写入多种格式的图片。 ImageMagick 7.1.2-15之前版本和6.9.13-40版本之前的6.9.x版本存在缓冲区错误漏洞，该漏洞源于PSB（PSD v2）RLE解码路径中存在整数溢出，可能导致堆越界读取，处理特制PSB文件可能导致信息泄露或崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 ~ 7.1.2-15 | - | |
| ImageMagick | ImageMagick | 6.9.0 ~ 6.9.13-40 | - |
II. Public POCs for CVE-2026-56367
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-56367 (2)
IV. Related Vulnerabilities
Same product: ImageMagick
- CVE-2026-62946
ImageMagick: Integer Overflow in JNX decoder causes heap buf - CVE-2026-62363
ImageMagick: Heap Buffer Over-Write in fx operation - CVE-2026-62343
ImageMagick: Heap Buffer Over-Write in morphology operation - CVE-2026-64685
ImageMagick: Heap Buffer Over-Read in BGR decoder due to mis - CVE-2026-66011
ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Opti
Same vendor: ImageMagick
- CVE-2026-62946
ImageMagick: Integer Overflow in JNX decoder causes heap buf - CVE-2026-62363
ImageMagick: Heap Buffer Over-Write in fx operation - CVE-2026-62343
ImageMagick: Heap Buffer Over-Write in morphology operation - CVE-2026-64685
ImageMagick: Heap Buffer Over-Read in BGR decoder due to mis - CVE-2026-66011
ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Opti
Same weakness: CWE-125
- CVE-2026-74238
TIER IV Nebula 1.2.0 Heap Out-of-Bounds Read via VLP32 UDP D - CVE-2026-71980
Belledonne Communications bcg729 1.1.2 Out-of-Bounds Read vi - CVE-2026-12630
6LoWPAN IPHC uncompression out-of-bounds read on reserved de - CVE-2026-40144
Memory corruption vulnerability in Endpoint Privilege Manage - CVE-2026-19955
TrailDB TOC Validation tdb.c tdb_open out-of-bounds
V. Comments for CVE-2026-56367
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