| Name | CVE-2018-18456 |
| Description | The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xpdf (PTS) | jessie | 3.03-17 | vulnerable |
| stretch | 3.04-4 | vulnerable |
| buster | 3.04-13 | vulnerable |
| bullseye | 3.04+git20210103-3 | vulnerable |
| bookworm | 3.04+git20220601-1 | vulnerable |
| sid, trixie | 3.04+git20240613-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xpdf | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm
no security impact, crash in CLI tool