🛡️ CVE-2025-68618 — imagemagick

🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-674 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

ImageMagick's failure to limit the depth of SVG file reads caused a DoS attack

Summary

Using Magick to read a malicious SVG file resulted in a DoS attack.

Details

bt obtained using gdb:

```

#4 0x0000555555794c9c in ResizeMagickMemory (memory=0x7fffee203800, size=391344) at MagickCore/memory.c:1443

#5 0x0000555555794e5a in ResizeQuantumMemory (memory=0x7fffee203800, count=48918, quantum=8)

at MagickCore/memory.c:1508

#6 0x0000555555acc8ed in SVGStartElement (context=0x517000000080, name=0x5190000055e3 "g", attributes=0x0)

at coders/svg.c:1254

#7 0x00007ffff6799b1c in xmlParseStartTag () at /lib/x86_64-linux-gnu/libxml2.so.2

#8 0x00007ffff68c7bb8 in () at /lib/x86_64-linux-gnu/libxml2.so.2

#9 0x00007ffff67a03f1 in xmlParseChunk () at /lib/x86_64-linux-gnu/libxml2.so.2

```

This is related to the SVGStartElement and ResizeQuantumMemory functions.

PoC

1. Generate an SVG file

2. Read this file using Magick:

```

./magick /data/ylwang/Tools/LargeScan/targets/ImageMagick/test++/1.svg null

```

3. Causes a DoS Attack

My server has a large amount of memory, causing a stack overflow to take a long time. I'll use the Windows release version as an example:

```

PS C:\Program Files\ImageMagick-7.1.2-Q8> .\magick.exe -ping 1.svg null:

PS C:\Program Files\ImageMagick-7.1.2-Q8> echo $LASTEXITCODE

-1073741571

```

The error code -1073741571 indicates a crash due to a stack overflow.

Impact

This is a DoS vulnerability and all applications using Magick to parse SVG files are affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Affected software

CVE-2025-68618 is recorded against 18 packages.

  • imagemagick (fixed in 7.1.2-12)
  • magick.net-q16-anycpu (fixed in 14.10.1)
  • magick.net-q16-arm64 (fixed in 14.10.1)
  • magick.net-q16-hdri-anycpu (fixed in 14.10.1)
  • magick.net-q16-hdri-arm64 (fixed in 14.10.1)
  • magick.net-q16-hdri-openmp-arm64 (fixed in 14.10.1)
  • magick.net-q16-hdri-openmp-x64 (fixed in 14.10.1)
  • magick.net-q16-hdri-x64 (fixed in 14.10.1)
  • magick.net-q16-hdri-x86 (fixed in 14.10.1)
  • magick.net-q16-openmp-arm64 (fixed in 14.10.1)
  • magick.net-q16-openmp-x64 (fixed in 14.10.1)
  • magick.net-q16-x64 (fixed in 14.10.1)
  • magick.net-q16-x86 (fixed in 14.10.1)
  • magick.net-q8-anycpu (fixed in 14.10.1)
  • magick.net-q8-arm64 (fixed in 14.10.1)
  • magick.net-q8-openmp-arm64 (fixed in 14.10.1)
  • magick.net-q8-openmp-x64 (fixed in 14.10.1)
  • magick.net-q8-x86 (fixed in 14.10.1)

Timeline and source

Published on 30 December 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com

CVE-2025-68618 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE CWE-674
Public Exploit ⚠️ Yes
Source NVD
Published 2025-12-30
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
imagemagick — 7.1.2-12
magick.net-q16-anycpu — 14.10.1
magick.net-q16-arm64 — 14.10.1
magick.net-q16-hdri-anycpu — 14.10.1
magick.net-q16-hdri-arm64 — 14.10.1
magick.net-q16-hdri-openmp-arm64 — 14.10.1
magick.net-q16-hdri-openmp-x64 — 14.10.1
magick.net-q16-hdri-x64 — 14.10.1
magick.net-q16-hdri-x86 — 14.10.1
magick.net-q16-openmp-arm64 — 14.10.1
magick.net-q16-openmp-x64 — 14.10.1
magick.net-q16-x64 — 14.10.1
magick.net-q16-x86 — 14.10.1
magick.net-q8-anycpu — 14.10.1
magick.net-q8-arm64 — 14.10.1
magick.net-q8-openmp-arm64 — 14.10.1
magick.net-q8-openmp-x64 — 14.10.1
magick.net-q8-x86 — 14.10.1

Similar Threats

Exploit Protection

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