CVE-2019-7653: The Debian python-rdflib-tools 4.2.2-1 package for RDFLib 4.2.2 has CLI tools that can load Python modules fro

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CRITICAL 9.8REMOTEWATCHLISTDOWNGRADEMITIGATEMITIGATE

CVE-2019-7653 is a critical-severity flaw (CVSS 9.8) affecting rdflib, debian linux, ubuntu linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Debian python-rdflib-tools 4.2.2-1 package for RDFLib 4.2.2 has CLI tools that can load Python modules from the current working directory, allowing code injection, because "python -m" looks in this directory, as demonstrated by rdf2dot. This issue is specific to use of the debian/scripts directory.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-427
Published	2019-02-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: canonical · debian · rdflib project

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

Am I affected?

Timeline

2019-02-09 03:29 UTCPublished CVE record published
2026-06-17 02:40 UTCUpdated Record last modified

rdflib project rdflib DOWNGRADE

Affected: 4.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.2.2 (Debian / Ubuntu)

apt-cache madison rdflib sudo apt install rdflib=<VERSION_BEFORE_4.2.2> sudo apt-mark hold rdflib

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

dnf --showduplicates list rdflib sudo dnf downgrade rdflib-<VERSION_BEFORE_4.2.2> sudo dnf versionlock add rdflib

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.

debian debian linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

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.

canonical ubuntu linux MITIGATE

Affected: 16.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.04

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · copyparty · FIXED · 1.20.26-1.fc46 · FEDORA-2026-8fbe18458e · source

sudo dnf upgrade --advisory=FEDORA-2026-8fbe18458e

Fedora ELN · man-pages · FIXED · 6.20-1.eln159 · FEDORA-2026-f1f5fb11b4 · source

sudo dnf upgrade --advisory=FEDORA-2026-f1f5fb11b4

Ubuntu 22.04 · rdflib · NOT AFFECTED

Ubuntu 20.04 · rdflib · NOT AFFECTED

Ubuntu 24.04 · rdflib · NOT AFFECTED

Ubuntu 24.10 · rdflib · NOT AFFECTED

Ubuntu 25.04 · rdflib · NOT AFFECTED

Debian 12 · rdflib · FIXED · 4.2.2-2

sudo apt update && sudo apt install --only-upgrade rdflib dpkg --compare-versions "$(dpkg-query -W -f='${Version}' rdflib)" ge "4.2.2-2" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · rdflib · FIXED · 4.2.2-2

sudo apt update && sudo apt install --only-upgrade rdflib dpkg --compare-versions "$(dpkg-query -W -f='${Version}' rdflib)" ge "4.2.2-2" && echo PATCHED || echo STILL-VULNERABLE

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-2019-7653?

rdflib: downgrade or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation; ubuntu linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-7653 being exploited?

CVE-2019-7653 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-2019-7653 affect?

CVE-2019-7653 affects rdflib, debian linux, ubuntu linux. Severity is critical (CVSS 9.8). The Debian python-rdflib-tools 4.2.2-1 package for RDFLib 4.2.2 has CLI tools that can load Python modules from the current working directory, allowing code injection, because "python -m" looks in this directory, as demonstrated by rdf2dot.

How urgent is CVE-2019-7653?

Priority 70/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Python vulnerabilities · Ubuntu vulnerabilities · Debian vulnerabilities

References

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