CVE-2004-2376: Buffer overflow in postfile.exe for Twilight Utilities Web Server 2.0.0.0 allows remote attackers to cause a d

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HIGH 7.5DOWNGRADE

CVE-2004-2376 is a high-severity flaw (CVSS 7.5) affecting twilight utilities web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in postfile.exe for Twilight Utilities Web Server 2.0.0.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a URL request with a long attfile attribute.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: twilight utilities

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 22:09 UTCUpdated Record last modified

twilight utilities twilight utilities web server DOWNGRADE

Affected: 2.0.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0.0

1. Check installed version

apt-cache policy twilight-utilities-web-server || rpm -q twilight-utilities-web-server || twilight-utilities-web-server --version

2. No fixed release: DOWNGRADE to a release before 2.0.0.0 (Debian / Ubuntu)

apt-cache madison twilight-utilities-web-server sudo apt install twilight-utilities-web-server=<VERSION_BEFORE_2.0.0.0> sudo apt-mark hold twilight-utilities-web-server

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

dnf --showduplicates list twilight-utilities-web-server sudo dnf downgrade twilight-utilities-web-server-<VERSION_BEFORE_2.0.0.0> sudo dnf versionlock add twilight-utilities-web-server

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-2004-2376?

twilight utilities web server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2376 being exploited?

CVE-2004-2376 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-2004-2376 affect?

CVE-2004-2376 affects twilight utilities web server. Severity is high (CVSS 7.5). Buffer overflow in postfile.exe for Twilight Utilities Web Server 2.0.0.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a URL request with a long attfile attribute.

How urgent is CVE-2004-2376?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2004-2380 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in postfile.exe for Twilight Utilities Web Server 2.0.0.0 allows remote atta

References

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