CVE-2006-0876: POPFile before 0.22.4 allows remote attackers to cause a denial of service (application crash) via unspecified

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-0876 is a medium-severity flaw (CVSS 5.0) affecting popfile. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

POPFile before 0.22.4 allows remote attackers to cause a denial of service (application crash) via unspecified vectors involving character sets within e-mail messages.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Published	2006-02-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: popfile

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

Am I affected?

Timeline

2006-02-24 11:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

popfile popfile DOWNGRADE

Affected: 0.18.3 · 0.19.1 · 0.20.1 · 0.21.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.18.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.18.3 (Debian / Ubuntu)

apt-cache madison popfile sudo apt install popfile=<VERSION_BEFORE_0.18.3> sudo apt-mark hold popfile

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

dnf --showduplicates list popfile sudo dnf downgrade popfile-<VERSION_BEFORE_0.18.3> sudo dnf versionlock add popfile

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-2006-0876?

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

Is CVE-2006-0876 being exploited?

CVE-2006-0876 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-2006-0876 affect?

CVE-2006-0876 affects popfile. Severity is medium (CVSS 5.0). POPFile before 0.22.4 allows remote attackers to cause a denial of service (application crash) via unspecified vectors involving character sets within e-mail messages.

How urgent is CVE-2006-0876?

Priority 37/100. No elevated risk signals yet.

References

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