CVE-2005-0018: The f2 shell script in the f2c package 3.1 allows local users to read arbitrary files via a symlink attack on

Routine

LOW 2.1DOWNGRADE

CVE-2005-0018 is a low-severity flaw (CVSS 2.1) affecting f2c translator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The f2 shell script in the f2c package 3.1 allows local users to read arbitrary files via a symlink attack on temporary files.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: f2c open source project

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

f2c open source project f2c translator DOWNGRADE

Affected: 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1

1. Check installed version

apt-cache policy f2c-translator || rpm -q f2c-translator || f2c-translator --version

2. No fixed release: DOWNGRADE to a release before 3.1 (Debian / Ubuntu)

apt-cache madison f2c-translator sudo apt install f2c-translator=<VERSION_BEFORE_3.1> sudo apt-mark hold f2c-translator

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

dnf --showduplicates list f2c-translator sudo dnf downgrade f2c-translator-<VERSION_BEFORE_3.1> sudo dnf versionlock add f2c-translator

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-2005-0018?

f2c translator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0018 being exploited?

CVE-2005-0018 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-2005-0018 affect?

CVE-2005-0018 affects f2c translator. Severity is low (CVSS 2.1). The f2 shell script in the f2c package 3.1 allows local users to read arbitrary files via a symlink attack on temporary files.

How urgent is CVE-2005-0018?

Priority 15/100. No elevated risk signals yet.

References

← Back to latest CVEs