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CVE-2026-93587— ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder

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 在 7.1.2-31 之前以及 6.9.13-56 之前的版本中，其 PCD（以及根据上游公告，还包括 CUBE 和 HALD）编码器存在策略绕过漏洞：当提供特定的命令行选项时，解码器不会检查已配置的资源限制，这可能导致额外的内存分配。因此，能够向 ImageMagick 传递命令行选项的本地用户可以超出预期的内存策略限制，从而对可用性产生有限的影响。该问题已在 7.1.2-31 和 6.9.13-56 中修复。

CVSS 3.3 · Low EPSS 0.12% · P2

Affected Version Matrix 4

VendorProduct Version RangeStatus
ImageMagick ImageMagick 7.0.0< 7.1.2-31 affected
7.1.2-31 unaffected
< 6.9.13-56 affected
6.9.13-56 unaffected
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I. Basic Information for CVE-2026-93587

Vulnerability Information
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Vulnerability Title
ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick before 7.1.2-31 and before 6.9.13-56 contains a policy bypass in the PCD (and, per the upstream advisory, CUBE and HALD) coder: when a specific command line option is supplied, the decoder does not check a configured resource limit, which can result in extra memory allocation. A local user able to pass command line options to ImageMagick can therefore exceed the intended memory policy limit, causing a limited availability impact. The issue is fixed in 7.1.2-31 and 6.9.13-56.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ImageMagick ImageMagick 7.0.0 ~ 7.1.2-31 -
ImageMagick ImageMagick 0 ~ 6.9.13-56 -

II. Public POCs for CVE-2026-93587

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III. Intelligence Information for CVE-2026-93587

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Other References for CVE-2026-93587 (2)

Same Patch Batch · ImageMagick · 2026-09-18 · 5 CVEs total

CVE-2026-93590 3.7 LOW ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder
CVE-2026-93589 3.7 LOW ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder
CVE-2026-93588 3.1 LOW ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM
CVE-2026-93586 2.9 LOW ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-400