CVE-2023-39978 — ImageMagick before 6

ImageMagick before 6.9.12-91 allows attackers to cause a denial of service (memory consumption) in Magick::Draw.

01What is this vulnerability?

ImageMagick before 6.9.12-91 allows attackers to cause a denial of service (memory consumption) in Magick::Draw.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-08T00:00:00.000Z
• Last modified: 2024-11-27T14:26:44.199Z

09References

• github.com — https://github.com/rmagick/rmagick/pull/1406/files
• github.com — https://github.com/ImageMagick/ImageMagick6/commit/c90e79b3b22fec309cab55af2ee60…
• github.com — https://github.com/ImageMagick/ImageMagick6/compare/6.9.12-90...6.9.12-91
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…