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GHSA-p863-5fgm-rgq4

MediumCVSS 5.3 / 10
Published Feb 24, 2026·Last modified Feb 24, 2026
Affected Components(0)

No affected components available

Description

A NULL pointer dereference in ClonePixelCacheRepository allows a remote attacker to crash any application linked against ImageMagick by supplying a crafted image file, resulting in Denial of Service.

AddressSanitizer:DEADLYSIGNAL
=================================================================
==3704942==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x7f9d141239e0 bp 0x7ffd4c5711e0 sp 0x7ffd4c571148 T0)
    #0 0x7f9d141239e0  (/lib/x86_64-linux-gnu/libc.so.6+0xc49e0)
    #1 0x558a25e4f08d in ClonePixelCacheRepository._omp_fn.0 MagickCore/cache.c:784
    #2 0x7f9d14c06a15 in GOMP_parallel (/lib/x86_64-linux-gnu/libgomp.so.1+0x14a15)
    #3 0x558a25e43151 in ClonePixelCacheRepository MagickCore/cache.c:753
    #4 0x558a25e49a96 in OpenPixelCache MagickCore/cache.c:3849
    #5 0x558a25e45117 in GetImagePixelCache MagickCore/cache.c:1829
    #6 0x558a25e4dde3 in SyncImagePixelCache MagickCore/cache.c:5647
    #7 0x558a256ba57d in SetImageExtent MagickCore/image.c:2713
Risk Scores
Base Score
5.3

The vulnerability can be exploited over the network without needing physical access. 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
4.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.43%

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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