CVE-2019-11472 — ReadXWDImage in coders/xwd

ReadXWDImage in coders/xwd.c in the XWD image parsing component of ImageMagick 7.0.8-41 Q16 allows attackers to cause a denial-of-service (divide-by-zero error) by crafting an XWD image file in which the header indicates neither LSB first nor MSB first.

01What is this vulnerability?

ReadXWDImage in coders/xwd.c in the XWD image parsing component of ImageMagick 7.0.8-41 Q16 allows attackers to cause a denial-of-service (divide-by-zero error) by crafting an XWD image file in which the header indicates neither LSB first nor MSB first.

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2019-04-23T13:55:18.000Z
• Last modified: 2024-08-04T22:55:40.380Z

09References

• github.com — https://github.com/ImageMagick/ImageMagick/issues/1546
• github.com — https://github.com/ImageMagick/ImageMagick6/commit/f663dfb8431c97d95682a2b533cca…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00057.html
• usn.ubuntu.com — https://usn.ubuntu.com/4034-1/
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00001.html
• www.debian.org — https://www.debian.org/security/2020/dsa-4712
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html