CVE-2002-2034: The Email Sanitizer before 1.133 for Procmail allows remote attackers to bypass the mail filter and execute ar

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HIGH 7.5DOWNGRADE

CVE-2002-2034 is a high-severity flaw (CVSS 7.5) affecting procmail email sanitizer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Email Sanitizer before 1.133 for Procmail allows remote attackers to bypass the mail filter and execute arbitrary code via crafted recursive multipart MIME attachments.

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	3.0% (top 13%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: john hardin

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

john hardin procmail email sanitizer DOWNGRADE

Affected: 1.131 · 1.132

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.131

1. Check installed version

apt-cache policy procmail-email-sanitizer || rpm -q procmail-email-sanitizer || procmail-email-sanitizer --version

2. No fixed release: DOWNGRADE to a release before 1.131 (Debian / Ubuntu)

apt-cache madison procmail-email-sanitizer sudo apt install procmail-email-sanitizer=<VERSION_BEFORE_1.131> sudo apt-mark hold procmail-email-sanitizer

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

dnf --showduplicates list procmail-email-sanitizer sudo dnf downgrade procmail-email-sanitizer-<VERSION_BEFORE_1.131> sudo dnf versionlock add procmail-email-sanitizer

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-2002-2034?

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

Is CVE-2002-2034 being exploited?

CVE-2002-2034 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-2002-2034 affect?

CVE-2002-2034 affects procmail email sanitizer. Severity is high (CVSS 7.5). The Email Sanitizer before 1.133 for Procmail allows remote attackers to bypass the mail filter and execute arbitrary code via crafted recursive multipart MIME attachments.

How urgent is CVE-2002-2034?

Priority 48/100. High severity

References

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