CVE-2026-93590— ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder
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 before 7.1.2-31 contains a policy bypass vulnerability in the UHDR encoder that fails to perform policy checks during buffer allocation for image pixels. Attackers can bypass resource policies by processing specially crafted UHDR images, potentiall
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I. Basic Information for CVE-2026-93590
Vulnerability Information
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Vulnerability Title
ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick before 7.1.2-31 contains a policy bypass vulnerability in the UHDR encoder that fails to perform policy checks during buffer allocation for image pixels. Attackers can bypass resource policies by processing specially crafted UHDR images, potentially causing denial of service through excessive memory allocation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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 | 0 ~ 7.1.2-31 | - |
|
II. Public POCs for CVE-2026-93590
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-93590 (2)
-
ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder | Advisories | VulnCheck third-party-advisory
Same Patch Batch · ImageMagick · 2026-09-18 · 5 CVEs total
| 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 |
| CVE-2026-93586 | 2.9 LOW | ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob |
IV. Related Vulnerabilities
Same product: ImageMagick
-
CVE-2026-93589
ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder -
CVE-2026-93588
ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM -
CVE-2026-93587
ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder -
CVE-2026-93586
ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob -
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin
Same vendor: ImageMagick
-
CVE-2026-93589
ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder -
CVE-2026-93588
ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM -
CVE-2026-93587
ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder -
CVE-2026-93586
ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob -
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin
Same weakness: CWE-400
-
CVE-2026-68914
Mojolicious pure-Perl Mojo::JSON decoder allows memory exhau -
CVE-2026-93587
ImageMagick before 7.1.2-31 Policy Bypass via PCD decoder -
CVE-2026-68523
Fulgur: Unbounded page slicing from attacker-controlled CSS -
CVE-2026-68537
Fulgur: Unbounded page slicing from attacker-controlled CSS -
CVE-2026-50125
MKP: Unbounded Pod Log Read via Attacker-Controlled `limitBy
V. Comments for CVE-2026-93590
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