CVE-2004-0324: Confirm 0.62 and earlier could allow remote attackers to execute arbitrary code via an e-mail header that cont

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HIGH 7.5DOWNGRADE

CVE-2004-0324 is a high-severity flaw (CVSS 7.5) affecting confirm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Confirm 0.62 and earlier could allow remote attackers to execute arbitrary code via an e-mail header that contains shell metacharacters such as ", `, |, ;, or $.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2004-02-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: confirm

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

Am I affected?

Timeline

2004-02-23 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

confirm confirm DOWNGRADE

Affected: 0.50 · 0.51 · 0.52 · 0.53 · 0.54 · 0.55 · 0.60 · 0.61

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.50

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.50 (Debian / Ubuntu)

apt-cache madison confirm sudo apt install confirm=<VERSION_BEFORE_0.50> sudo apt-mark hold confirm

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

dnf --showduplicates list confirm sudo dnf downgrade confirm-<VERSION_BEFORE_0.50> sudo dnf versionlock add confirm

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-2004-0324?

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

Is CVE-2004-0324 being exploited?

CVE-2004-0324 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-2004-0324 affect?

CVE-2004-0324 affects confirm. Severity is high (CVSS 7.5). Confirm 0.62 and earlier could allow remote attackers to execute arbitrary code via an e-mail header that contains shell metacharacters such as ", `, |, ;, or $.

How urgent is CVE-2004-0324?

Priority 48/100. High severity

References

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