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GHSA-xxw5-m53x-j38c

MediumCVSS 4 / 10
Published Mar 12, 2026·Last modified Mar 14, 2026
Affected Components(0)

No affected components available

Description

A heap-use-after-free vulnerability exists in the MSL encoder, where a cloned image is destroyed twice. The MSL coder does not support writing MSL so the write capability has been removed.

SUMMARY: AddressSanitizer: heap-use-after-free MagickCore/image.c:1195 in DestroyImage
Shadow bytes around the buggy address:
  0x0a4e80007450: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0a4e80007460: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0a4e80007470: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0a4e80007480: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0a4e80007490: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0a4e800074a0: fd fd fd fd fd fd fd fd fd fd[fd]fd fd fd fd fd
  0x0a4e800074b0: fd fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa
  0x0a4e800074c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0a4e800074d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0a4e800074e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0a4e800074f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Risk Scores
Base Score
4.0

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the availability of the system.

Threat Intelligence
3.7

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.19%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity
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