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CVE-2026-26283— ImageMagick has possible infinite loop in JPEG encoder when using `jpeg:extent`

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之前版本存在安全漏洞，该漏洞源于JPEG编码器中的continue语句在处理特制图像时可能导致无限循环，造成CPU消耗100%和进程挂起。

CVSS 6.2 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-26283

Vulnerability Information
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Vulnerability Title
ImageMagick has possible infinite loop in JPEG encoder when using `jpeg:extent`
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a `continue` statement in the JPEG extent binary search loop in the jpeg encoder causes an infinite loop when writing persistently fails. An attacker can trigger a 100% CPU consumption and process hang (Denial of Service) with a crafted image. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
ImageMagick 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImageMagick是ImageMagick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之前版本存在安全漏洞，该漏洞源于JPEG编码器中的continue语句在处理特制图像时可能导致无限循环，造成CPU消耗100%和进程挂起。
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 -

II. Public POCs for CVE-2026-26283

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III. Intelligence Information for CVE-2026-26283

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Same Patch Batch · ImageMagick · 2026-02-24 · 32 CVEs total

CVE-2026-25965 8.6 HIGH ImageMagick's policy bypass through path traversal allows reading restricted content despi
CVE-2026-25794 8.2 HIGH ImageMagick has heap-buffer-overflow via signed integer overflow in `WriteUHDRImage` when
CVE-2026-24481 7.5 HIGH ImageMagick has Possible Heap Information Disclosure in PSD ZIP Decompression
CVE-2026-25989 7.5 HIGH ImageMagick has integer overflow or wraparound and incorrect conversion between numeric ty
CVE-2026-25985 7.5 HIGH Memory allocation with excessive without limits in the internal SVG decoder
CVE-2026-24485 7.5 HIGH ImageMagick: Infinite loop vulnerability when parsing a PCD file
CVE-2026-25968 7.4 HIGH ImageMagick has MSL attribute stack buffer overflow that leads to out of bounds write.
CVE-2026-25967 7.4 HIGH ImageMagick has stack buffer overflow in FTXT reader via oversized integer field
CVE-2026-26284 6.5 MEDIUM ImageMagick has heap overflow in pcd decoder that leads to out of bounds read.
CVE-2026-25897 6.5 MEDIUM ImageMagick has heap overflow in sun decoder on 32-bit systems that can result in out of b
CVE-2026-25898 6.5 MEDIUM Imagemagick Has Global Buffer Overflow (OOB Read) via Negative Pixel Index in UIL and XPM
CVE-2026-25982 6.5 MEDIUM ImageMagick Has Heap Out-of-Bounds Read in DCM Decoder (ReadDCMImage)
CVE-2026-26066 6.2 MEDIUM ImageMagick has infinite loop when writing IPTCTEXT leads to denial of service via crafted
CVE-2026-25971 6.2 MEDIUM ImageMagick's MSL: Stack overflow in ProcessMSLScript
CVE-2026-25966 5.9 MEDIUM ImageMagick's Security Policy Bypass through config/policy-secure.xml via "fd handler" lea
CVE-2026-25797 5.7 MEDIUM ImageMagick vulnerable to Code injection via PostScript header in ps coders
CVE-2026-25987 5.3 MEDIUM ImageMagick has heap buffer over-read in MAP image decoder
CVE-2026-26983 5.3 MEDIUM ImageMagick: Invalid MSL <map> can result in a use after free
CVE-2026-24484 5.3 MEDIUM ImageMagick: Converting multi-layer nested MVG to SVG can cause DoS
CVE-2026-25986 5.3 MEDIUM ImageMagick has a heap buffer overflow in YUV 4:2:2 decoder

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-835

V. Comments for CVE-2026-26283

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