CVE catalog

CVE-2018-18456

xpdf: CVE-2018-18456

Severity: Low · CVSS 3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Published: Oct 18, 2018, 6:29:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.22% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	xpdf	sid	`3.04+git20260802-1`	vulnerable
Debian	xpdf	forky	`3.04+git20260802-1`	vulnerable
Debian	xpdf	trixie	`3.04+git20250304-1`	vulnerable
Debian	xpdf	bookworm	`3.04+git20220601-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	xpdf	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	xpdf	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	xpdf	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	xpdf	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[xpdf]Affected
Source package: [xpdf]
Details (2)
- 3.04+git20220601-1+b2 · amd64 · bookworm
  Affected
  dsa · xpdf · debian · bookworm; dsa · xpdf · debian · 12
- 3.04+git20220601-1+b2 · arm64 · bookworm
  Affected
  dsa · xpdf · debian · bookworm; dsa · xpdf · debian · 12

[Debian 13 (Trixie)]

[xpdf]Affected
Source package: [xpdf]
Details (2)
- 3.04+git20250304-1+b1 · amd64 · trixie
  Affected
  dsa · xpdf · debian · 13
- 3.04+git20250304-1+b1 · arm64 · trixie
  Affected
  dsa · xpdf · debian · 13

Observed: Oct 23, 2026, 5:35:32 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]