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CVE-2026-56375— ImageMagick - Memory Leak in ASHLAR Coder Action Failure

Quick assessment

Affected

ImageMagick ImageMagick

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 7.1.2-18及之前版本存在资源管理错误漏洞，该漏洞源于ASHLAR编码器在操作失败时存在内存泄漏问题，攻击者可触发失败操作耗尽内存资源，导致拒绝服务。

CVSS 3.3 · Low EPSS 0.15% · P4 Updated Jul 15, 2026

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

Vendor	Product	Version Range	Status
ImageMagick	ImageMagick	`≤ 7.1.2-18`	affected

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I. Basic Information for CVE-2026-56375

Vulnerability Information

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Vulnerability Title

ImageMagick - Memory Leak in ASHLAR Coder Action Failure

Source: CVE Program / CVE List V5

Vulnerability Description

ImageMagick through 7.1.2-18 contains a memory leak vulnerability in the ASHLAR coder when an action fails. Attackers can trigger failed actions to exhaust memory resources and cause denial of service.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

在移除最后引用时对内存的释放不恰当(内存泄露)

Source: CVE Program / CVE List V5

Vulnerability Title

ImageMagick 资源管理错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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	0 ~ 7.1.2-18	-

II. Public POCs for CVE-2026-56375

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-56375

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Vendor Advisories for CVE-2026-56375 (2)

🔗 Memory leak in ASHLAR coder when action fails · Advisory · ImageMagick/ImageMagick · GitHub vendor-advisory
🔗 ImageMagick - Memory Leak in ASHLAR Coder Action Failure | Advisories | VulnCheck third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-56375

Same Patch Batch · ImageMagick · 2026-07-15 · 14 CVEs total

CVE-2026-61868	3.7 LOW	ImageMagick before 7.1.2-26 Memory Leak in YUV Decoder
CVE-2026-61871	3.7 LOW	ImageMagick before 7.1.2-26 Memory Leak in ICON decoder
CVE-2026-61860	3.7 LOW	ImageMagick before 7.1.2-26 Use-After-Free via freetype
CVE-2026-61859	3.3 LOW	ImageMagick before 7.1.2-26 Policy Bypass via script operation
CVE-2026-61863	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in TIFF Encoder
CVE-2026-61862	2.9 LOW	ImageMagick before 7.1.2-26 Information Disclosure via identify
CVE-2026-61864	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in Log Colorspace
CVE-2026-61867	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in TIFF Encoder
CVE-2026-61866	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in JNG encoder
CVE-2026-61865	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in Hough Lines
CVE-2026-61869	2.9 LOW	ImageMagick before 7.1.2-26 Memory Leak in MIFF Encoder
CVE-2026-61872	2.5 LOW	ImageMagick before 7.1.2-26 Memory Leak via TIFF Encoder
CVE-2026-61464	1.8 LOW	ImageMagick before 7.1.2-26 Heap Buffer Over-Write via X11

IV. Related Vulnerabilities

Same product: ImageMagick

Same vendor: ImageMagick

Same weakness: CWE-401