CVE-2010-4820: Untrusted search path vulnerability in Ghostscript 8.62 allows local users to execute arbitrary PostScript cod

Routine

MEDIUM 4.4DOWNGRADE

CVE-2010-4820 is a medium-severity flaw (CVSS 4.4) affecting ghostscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in Ghostscript 8.62 allows local users to execute arbitrary PostScript code via a Trojan horse Postscript library file in Encoding/ under the current working directory, a different vulnerability than CVE-2010-2055.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.4 (Medium)
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-94
Published	2014-10-27
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: ghostscript

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

Am I affected?

Timeline

2014-10-27 01:55 UTCPublished CVE record published
2026-06-16 23:25 UTCUpdated Record last modified

ghostscript ghostscript DOWNGRADE

Affected: 8.62

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.62

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.62 (Debian / Ubuntu)

apt-cache madison ghostscript sudo apt install ghostscript=<VERSION_BEFORE_8.62> sudo apt-mark hold ghostscript

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

dnf --showduplicates list ghostscript sudo dnf downgrade ghostscript-<VERSION_BEFORE_8.62> sudo dnf versionlock add ghostscript

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-2010-4820?

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

Is CVE-2010-4820 being exploited?

CVE-2010-4820 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-2010-4820 affect?

CVE-2010-4820 affects ghostscript. Severity is medium (CVSS 4.4). Untrusted search path vulnerability in Ghostscript 8.62 allows local users to execute arbitrary PostScript code via a Trojan horse Postscript library file in Encoding/ under the current working directory, a different vulnerability than CVE-

How urgent is CVE-2010-4820?

Priority 26/100. No elevated risk signals yet.

Software pages

Ghostscript vulnerabilities

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References

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