Description
In Artifex Ghostscript before 9.26, a carefully crafted PDF file can trigger an extremely long running computation when parsing the file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ghostscript | 9.26~dfsg-1 | — |
| Debian 13 | ghostscript | 9.26~dfsg-1 | — |
| Debian 12 | ghostscript | 9.26~dfsg-1 | — |
| Debian 9 | ghostscript | 9.26~dfsg-0+deb9u1 | DSA-4346-1 |
| Debian 8 | ghostscript | 9.06~dfsg-2+deb8u13 | DLA-1620-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.18.04.1 | — |
| Ubuntu 16.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.14.04.1 | — |
Advisories 2
- DSA-4346-1 ghostscript - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1620-1 ghostscript - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 106445 vdb-entry
- https://www.ghostscript.com/doc/9.26/History9.htm
- https://bugs.ghostscript.com/show_bug.cgi?id=699856
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=0a7e5a1c309fa0911b892fa40996a7d55d90bace
- https://bugzilla.redhat.com/show_bug.cgi?id=1655607
- [debian-lts-announce] 20181227 [SECURITY] [DLA 1620-1] ghostscript security update mailing-list