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CVE-2026-93586— ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob

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 及 6.9.13-56 之前版本中存在“使用释放内存”（use-after-free）漏洞，位于 ImagesToBlob 方法中，原因是某个指针未被正确更新。成功利用该漏洞可能仅导致有限的可用性影响（例如，受影响进程发生崩溃）。该问题已在 7.1.2-31 和 6.9.13-56 版本中修复。

CVSS 2.9 · Low EPSS 0.10% · P1 Updated Oct 30, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution

Affected Version Matrix 4

Vendor	Product	Version Range	Status
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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Vulnerability Information

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Vulnerability Title

ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob

Source: CVE Program / CVE List V5

Vulnerability Description

ImageMagick before 7.1.2-31 and before 6.9.13-56 contains a use-after-free vulnerability in the ImagesToBlob method, caused by a pointer that is not updated correctly. Exploitation may result in a limited availability impact (e.g., a crash of the affected process). The issue is fixed in versions 7.1.2-31 and 6.9.13-56.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

释放后使用

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-2026-93586

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-93586

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Other References for CVE-2026-93586 (2)

🔗 Use after free in ImagesToBlob method · Advisory · ImageMagick/ImageMagick · GitHub vendor-advisory
🔗 ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob | Advisories | VulnCheck Read full article third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-93586

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-2026-93587	3.3 LOW	ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder
CVE-2026-93588	3.1 LOW	ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM

IV. Related Vulnerabilities

Same product: ImageMagick

Same vendor: ImageMagick

Same weakness: CWE-416