CVE-2018-1000051 — Artifex Mupdf version 1

Artifex Mupdf version 1.12.0 contains a Use After Free vulnerability in fz_keep_key_storable that can result in DOS / Possible code execution. This attack appear to be exploitable via Victim opens a specially crafted PDF.

01What is this vulnerability?

Artifex Mupdf version 1.12.0 contains a Use After Free vulnerability in fz_keep_key_storable that can result in DOS / Possible code execution. This attack appear to be exploitable via Victim opens a specially crafted PDF.

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: 2018-02-09T23:00:00.000Z
• Last modified: 2024-09-11T15:53:13.232Z

09References

• security.gentoo.org — https://security.gentoo.org/glsa/201811-15
• www.debian.org — https://www.debian.org/security/2018/dsa-4152
• bugs.ghostscript.com — https://bugs.ghostscript.com/show_bug.cgi?id=698873
• bugs.ghostscript.com — https://bugs.ghostscript.com/show_bug.cgi?id=698825
• cgit.ghostscript.com — https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=321ba1de28701…