How severe is CVE-2026-46521?

CVE-2026-46521 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-46521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46521?

CVE-2026-46521 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46521?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-46521 have an EU (EUVD) identifier?

Yes. CVE-2026-46521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36171.

When was CVE-2026-46521 published?

CVE-2026-46521 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-46521

CVE-2026-46521 is a medium-severity vulnerability in Imagemagick with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36171
Weakness: CWE-131
Affected product: Imagemagick
Published: 2026-06-10
Last modified: 2026-06-17

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Frequently asked questions

What is CVE-2026-46521?: ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
How severe is CVE-2026-46521?: CVE-2026-46521 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-46521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46521?: CVE-2026-46521 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-46521 have an EU (EUVD) identifier?: Yes. CVE-2026-46521 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36171.
When was CVE-2026-46521 published?: CVE-2026-46521 was published on 2026-06-10 and last updated on 2026-06-17.

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jcqp-6r6f-3mfx

Affected products (1)

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

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