CVE-2004-2642: Yeemp 0.9.9 and earlier does not properly encrypt inbound files, which allows remote attackers to spoof the id

This month

MEDIUM 6.4DOWNGRADE

CVE-2004-2642 is a medium-severity flaw (CVSS 6.4) affecting yeemp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Yeemp 0.9.9 and earlier does not properly encrypt inbound files, which allows remote attackers to spoof the identity of the sender.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nathaniel bray

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

nathaniel bray yeemp DOWNGRADE

Affected: 0.5.1 · 0.6 · 0.6.1 · 0.6.2 · 0.7 · 0.7.1 · 0.7.2 · 0.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.1 (Debian / Ubuntu)

apt-cache madison yeemp sudo apt install yeemp=<VERSION_BEFORE_0.5.1> sudo apt-mark hold yeemp

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

dnf --showduplicates list yeemp sudo dnf downgrade yeemp-<VERSION_BEFORE_0.5.1> sudo dnf versionlock add yeemp

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-2004-2642?

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

Is CVE-2004-2642 being exploited?

CVE-2004-2642 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-2004-2642 affect?

CVE-2004-2642 affects yeemp. Severity is medium (CVSS 6.4). Yeemp 0.9.9 and earlier does not properly encrypt inbound files, which allows remote attackers to spoof the identity of the sender.

How urgent is CVE-2004-2642?

Priority 41/100. No elevated risk signals yet.

References

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