CVE-2007-2051: Buffer overflow in the parsecmd function in bftpd before 1.8 has unknown impact and attack vectors related to

Routine

MEDIUM 5.0DOWNGRADE

CVE-2007-2051 is a medium-severity flaw (CVSS 5.0) affecting bftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the parsecmd function in bftpd before 1.8 has unknown impact and attack vectors related to the confstr variable.

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	1.3% (top 30%)
CISA exploited list	No
Published	2007-04-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bftpd

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

Am I affected?

Timeline

2007-04-16 22:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

bftpd bftpd DOWNGRADE

Affected: 1.6 · 1.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6 (Debian / Ubuntu)

apt-cache madison bftpd sudo apt install bftpd=<VERSION_BEFORE_1.6> sudo apt-mark hold bftpd

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

dnf --showduplicates list bftpd sudo dnf downgrade bftpd-<VERSION_BEFORE_1.6> sudo dnf versionlock add bftpd

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-2007-2051?

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

Is CVE-2007-2051 being exploited?

CVE-2007-2051 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-2007-2051 affect?

CVE-2007-2051 affects bftpd. Severity is medium (CVSS 5.0). Buffer overflow in the parsecmd function in bftpd before 1.8 has unknown impact and attack vectors related to the confstr variable.

How urgent is CVE-2007-2051?

Priority 35/100. No elevated risk signals yet.

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References

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