CVE-2007-0104: The Adobe PDF specification 1.3, as implemented by (a) xpdf 3.0.1 patch 2, (b) kpdf in KDE before 3.5.5, (c) p

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MEDIUM 6.8DOWNGRADEMITIGATE

CVE-2007-0104 is a medium-severity flaw (CVSS 6.8) affecting xpdf, kde. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Adobe PDF specification 1.3, as implemented by (a) xpdf 3.0.1 patch 2, (b) kpdf in KDE before 3.5.5, (c) poppler before 0.5.4, and other products, allows remote attackers to have an unknown impact, possibly including denial of service (infinite loop), arbitrary code execution, or memory corruption, via a PDF file with a (1) crafted catalog dictionary or (2) a crafted Pages attribute that references an invalid page tree node.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	6.2% (top 6%)
CISA exploited list	No
Weakness	CWE-20
Published	2007-01-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kde · xpdf

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-01-09 00:28 UTCPublished CVE record published
2026-06-16 22:34 UTCUpdated Record last modified

xpdf xpdf DOWNGRADE

Affected: 3.0 · 3.0.1 · 3.0.1_pl1 · 3.0.1_pl2 · 3.0_pl2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy xpdf || rpm -q xpdf || xpdf --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison xpdf sudo apt install xpdf=<VERSION_BEFORE_3.0> sudo apt-mark hold xpdf

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list xpdf sudo dnf downgrade xpdf-<VERSION_BEFORE_3.0> sudo dnf versionlock add xpdf

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

kde kde MITIGATE

Affected: 3.2 · 3.2.1 · 3.2.2 · 3.2.3 · 3.3 · 3.3.1 · 3.3.2 · 3.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-0104?

xpdf: downgrade or apply the listed mitigation; kde: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-0104 being exploited?

CVE-2007-0104 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-0104 affect?

CVE-2007-0104 affects xpdf, kde. Severity is medium (CVSS 6.8). The Adobe PDF specification 1.3, as implemented by (a) xpdf 3.0.1 patch 2, (b) kpdf in KDE before 3.5.5, (c) poppler before 0.5.4, and other products, allows remote attackers to have an unknown impact, possibly including denial of service (

How urgent is CVE-2007-0104?

Priority 52/100. EPSS top 6%: very likely to be exploited; Public exploit reference

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CVE-2024-4568 LOW 2.9 UPGRADE In Xpdf 4.05 (and earlier), a PDF object loop in the PDF resources leads to infinite recursion and a stack ove
CVE-2024-4141 LOW 2.9 UPGRADE Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by an invalid character code in a Type 1 font

References

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