CVE-2008-7014: fhttpd 0.4.2 allows remote attackers to cause a denial of service (crash) via an Authorization HTTP header wit

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MEDIUM 5.0DOWNGRADE

CVE-2008-7014 is a medium-severity flaw (CVSS 5.0) affecting fhttpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

fhttpd 0.4.2 allows remote attackers to cause a denial of service (crash) via an Authorization HTTP header with an invalid character after the Basic value.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Published	2009-08-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fhttpd

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

Am I affected?

Timeline

2009-08-19 10:30 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

fhttpd fhttpd DOWNGRADE

Affected: 0.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4.2 (Debian / Ubuntu)

apt-cache madison fhttpd sudo apt install fhttpd=<VERSION_BEFORE_0.4.2> sudo apt-mark hold fhttpd

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

dnf --showduplicates list fhttpd sudo dnf downgrade fhttpd-<VERSION_BEFORE_0.4.2> sudo dnf versionlock add fhttpd

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: fhttpd 0.4.2 - 'un64()' Remote Denial of Service

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-2008-7014?

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

Is CVE-2008-7014 being exploited?

CVE-2008-7014 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-2008-7014 affect?

CVE-2008-7014 affects fhttpd. Severity is medium (CVSS 5.0). fhttpd 0.4.2 allows remote attackers to cause a denial of service (crash) via an Authorization HTTP header with an invalid character after the Basic value.

How urgent is CVE-2008-7014?

Priority 44/100. Public exploit reference

References

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