CVE-2019-25059 — Artifex Ghostscript through 9

Artifex Ghostscript through 9.26 mishandles .completefont. NOTE: this issue exists because of an incomplete fix for CVE-2019-3839.

01What is this vulnerability?

Artifex Ghostscript through 9.26 mishandles .completefont. NOTE: this issue exists because of an incomplete fix for CVE-2019-3839.

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

08Timeline

• Published: 2022-04-25T03:29:14.000Z
• Last modified: 2024-08-05T03:00:19.064Z

09References

• git.ghostscript.com — http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=430e219ea17a2650577d70…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/05/msg00000.html