How severe is CVE-2026-23876?

CVE-2026-23876 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-23876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23876?

CVE-2026-23876 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23876?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-23876 have an EU (EUVD) identifier?

Yes. CVE-2026-23876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3589.

When was CVE-2026-23876 published?

CVE-2026-23876 was published on 2026-01-20 and last updated on 2026-06-30.

CVE-2026-23876

CVE-2026-23876 is a high-severity vulnerability in Imagemagick with a CVSS 3.x base score of 8.1. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3589
Weakness: CWE-122
Affected product: Imagemagick
Published: 2026-01-20
Last modified: 2026-06-30

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file. Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines. Versions 7.1.2-13 and 6.9.13-38 fix the issue.

Frequently asked questions

What is CVE-2026-23876?: ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file. Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines. Versions 7.1.2-13 and 6.9.13-38 fix the issue.
How severe is CVE-2026-23876?: CVE-2026-23876 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-23876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23876?: CVE-2026-23876 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-23876 have an EU (EUVD) identifier?: Yes. CVE-2026-23876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3589.
When was CVE-2026-23876 published?: CVE-2026-23876 was published on 2026-01-20 and last updated on 2026-06-30.

References

Affected products (1)

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

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