How severe is CVE-2026-46559?

CVE-2026-46559 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-46559 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-2026-46559?

CVE-2026-46559 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46559?

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

Does CVE-2026-46559 have an EU (EUVD) identifier?

Yes. CVE-2026-46559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36173.

When was CVE-2026-46559 published?

CVE-2026-46559 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-46559

CVE-2026-46559 is a medium-severity vulnerability in Imagemagick with a CVSS 3.x base score of 4.0. 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-193.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36173
Weakness: CWE-193
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, an incorrect check in the JP2 will result in an heap buffer over-write of a single byte when specifying certain options. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Frequently asked questions

What is CVE-2026-46559?: 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, an incorrect check in the JP2 will result in an heap buffer over-write of a single byte when specifying certain options. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
How severe is CVE-2026-46559?: CVE-2026-46559 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-46559 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-2026-46559?: CVE-2026-46559 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-46559 have an EU (EUVD) identifier?: Yes. CVE-2026-46559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36173.
When was CVE-2026-46559 published?: CVE-2026-46559 was published on 2026-06-10 and last updated on 2026-06-17.

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-533m-3wf6-c33v

Affected products (1)

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

More vulnerabilities in Imagemagick

CVE-2004-0981 — Critical (CVSS 10.0): Buffer overflow in the EXIF parsing routine in ImageMagick before 6.1.0 allows remote attackers to execute arbitrary…
CVE-2023-34152 — Critical (CVSS 9.8): A vulnerability was found in ImageMagick. This security flaw cause a remote code execution vulnerability in OpenBlob…
CVE-2019-19952 — Critical (CVSS 9.8): In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to…
CVE-2019-19948 — Critical (CVSS 9.8): In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer overflow in the function WriteSGIImage of coders/sgi.c.
CVE-2018-16329 — Critical (CVSS 9.8): In ImageMagick before 7.0.8-8, a NULL pointer dereference exists in the GetMagickProperty function in…
CVE-2018-16328 — Critical (CVSS 9.8): In ImageMagick before 7.0.8-8, a NULL pointer dereference exists in the CheckEventLogging function in MagickCore/log.c.

All CVEs affecting Imagemagick →

Other CWE-193 (Off-by-one Error) vulnerabilities

CVE-2024-10442 — Critical (CVSS 10.0): Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066,…
CVE-2026-53309 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlm_match_regions()…
CVE-2024-38441 — Critical (CVSS 9.8): Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to…
CVE-2023-46853 — Critical (CVSS 9.8): In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used…
CVE-2023-38429 — Critical (CVSS 9.8): An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in…
CVE-2022-34970 — Critical (CVSS 9.8): Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful…

Browse all CWE-193 (Off-by-one Error) vulnerabilities →