DSA-6356-1 imagemagick - security update

CSIRTS triage

What

Multiple vulnerabilities could lead to denial of service, information disclosure, or potentially arbitrary code execution when processing malformed images.

Who is affected

Deployments of ImageMagick are affected.

Urgency

Remediation is urgent due to the potential for arbitrary code execution.

Action

Update to the latest version of ImageMagick.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Debian Security Advisories (INTL · vendor-psirt · site)

Severity

unknown

Published

2026-06-21

Exploitation

Not in CISA KEV at last sync

Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00267.html

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-487240.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
• Low exploitation riskCVE-2026-487340.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
• Low exploitation riskCVE-2026-489940.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
• Low exploitation riskCVE-2026-492180.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
• Low exploitation riskCVE-2026-492190.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
• Low exploitation riskCVE-2026-534600.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
• Low exploitation riskCVE-2026-534610.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
• Low exploitation riskCVE-2026-534630.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
• Low exploitation riskCVE-2026-534640.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• medium[UPDATE] [medium] ImageMagick: Multiple vulnerabilitiescert-bund
• medium[UPDATE] [medium] ImageMagick: Multiple vulnerabilitiescert-bund
• medium[UPDATE] [medium] ImageMagick: Multiple vulnerabilitiescert-bund

More from Debian Security Advisories

• unknownDSA-6386-1 opam - security update2026-07-10
• unknownDSA-6384-1 chromium - security update2026-07-08
• unknownDSA-6385-1 pgextwlist - security update2026-07-08
• unknownDSA-6382-1 postfix - security update2026-07-07
• unknownDSA-6383-1 imagemagick - security update2026-07-07