CVE-2013-1933: The extract_from_ocr function in lib/docsplit/text_extractor.rb in the Karteek Docsplit (karteek-docsplit) gem

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HIGH 9.3DOWNGRADE

CVE-2013-1933 is a high-severity flaw (CVSS 9.3) affecting karteek-docsplit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The extract_from_ocr function in lib/docsplit/text_extractor.rb in the Karteek Docsplit (karteek-docsplit) gem 0.5.4 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a PDF filename.

Why this priority

Critical severity

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-78
Published	2013-04-25
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2013-04-25 23:55 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

documentcloud karteek-docsplit DOWNGRADE

Affected: 0.5.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.4

1. Check installed version

apt-cache policy karteek-docsplit || rpm -q karteek-docsplit || karteek-docsplit --version

2. No fixed release: DOWNGRADE to a release before 0.5.4 (Debian / Ubuntu)

apt-cache madison karteek-docsplit sudo apt install karteek-docsplit=<VERSION_BEFORE_0.5.4> sudo apt-mark hold karteek-docsplit

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

dnf --showduplicates list karteek-docsplit sudo dnf downgrade karteek-docsplit-<VERSION_BEFORE_0.5.4> sudo dnf versionlock add karteek-docsplit

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-2013-1933?

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

Is CVE-2013-1933 being exploited?

CVE-2013-1933 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-2013-1933 affect?

CVE-2013-1933 affects karteek-docsplit. Severity is high (CVSS 9.3). The extract_from_ocr function in lib/docsplit/text_extractor.rb in the Karteek Docsplit (karteek-docsplit) gem 0.5.4 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a PDF filename.

How urgent is CVE-2013-1933?

Priority 52/100. Critical severity

Software pages

Ruby vulnerabilities

References

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