CVE-2022-48545: An infinite recursion in Catalog::findDestInTree can cause denial of service for xpdf 4.02.

Routine

MEDIUM 5.5DOWNGRADE

CVE-2022-48545 is a medium-severity flaw (CVSS 5.5) affecting xpdf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An infinite recursion in Catalog::findDestInTree can cause denial of service for xpdf 4.02.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-674
Published	2023-08-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: xpdfreader

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-08-22 19:16 UTCPublished CVE record published
2026-06-17 05:15 UTCUpdated Record last modified

xpdfreader xpdf DOWNGRADE

Affected: 4.02

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.02

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.02 (Debian / Ubuntu)

apt-cache madison xpdf sudo apt install xpdf=<VERSION_BEFORE_4.02> sudo apt-mark hold xpdf

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

dnf --showduplicates list xpdf sudo dnf downgrade xpdf-<VERSION_BEFORE_4.02> 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.

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-2022-48545?

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

Is CVE-2022-48545 being exploited?

CVE-2022-48545 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-2022-48545 affect?

CVE-2022-48545 affects xpdf. Severity is medium (CVSS 5.5). An infinite recursion in Catalog::findDestInTree can cause denial of service for xpdf 4.02.

How urgent is CVE-2022-48545?

Priority 23/100. No elevated risk signals yet.

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References

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