CVE-2007-6377: Stack-based buffer overflow in the PassThru functionality in ext.dll in BadBlue 2.72b and earlier allows remot

Q: How do I fix CVE-2007-6377?

badblue: upgrade to newer than 2.72b. Exact commands for each OS are on this page.

Q: Is CVE-2007-6377 being exploited?

CVE-2007-6377 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-6377 affect?

CVE-2007-6377 affects badblue. Severity is high (CVSS 7.5). Stack-based buffer overflow in the PassThru functionality in ext.dll in BadBlue 2.72b and earlier allows remote attackers to execute arbitrary code via a long query string.

Q: How urgent is CVE-2007-6377?

Priority 56/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2007-6377 is a high-severity flaw (CVSS 7.5) affecting badblue. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the PassThru functionality in ext.dll in BadBlue 2.72b and earlier allows remote attackers to execute arbitrary code via a long query string.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	66.4% (top 1%)
CISA exploited list	No
Weakness	CWE-119
Published	2007-12-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: badblue

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

Am I affected?

Timeline

2007-12-15 01:46 UTCPublished CVE record published
2026-06-16 22:47 UTCUpdated Record last modified

badblue badblue UPGRADE

Affected: <= 2.72b

Fixed in: newer than 2.72b

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.72b (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade badblue

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade badblue

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: BadBlue 2.72 - PassThru Remote Buffer Overflow
Exploit-DB: BadBlue 2.72b - Multiple Vulnerabilities
Exploit-DB: BadBlue 2.72b - PassThru Buffer Overflow (Metasploit)
Metasploit: BadBlue 2.72b PassThru Buffer Overflow

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-2007-6377?

badblue: upgrade to newer than 2.72b. Exact commands for each OS are on this page.

Is CVE-2007-6377 being exploited?

CVE-2007-6377 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-2007-6377 affect?

CVE-2007-6377 affects badblue. Severity is high (CVSS 7.5). Stack-based buffer overflow in the PassThru functionality in ext.dll in BadBlue 2.72b and earlier allows remote attackers to execute arbitrary code via a long query string.

How urgent is CVE-2007-6377?

Priority 56/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2008-2003 HIGH 7.5 DOWNGRADE BadBlue 2.72 Personal Edition stores multiple programs in the web document root with insufficient access contr
CVE-2007-6379 MEDIUM 5.0 UPGRADE BadBlue 2.72b and earlier allows remote attackers to obtain sensitive information via an invalid browse parame
CVE-2007-6378 HIGH 7.5 UPGRADE Directory traversal vulnerability in upload.dll in BadBlue 2.72b and earlier allows remote attackers to create
CVE-2005-0595 HIGH 7.5 DOWNGRADE Buffer overflow in ext.dll in BadBlue 2.55 allows remote attackers to execute arbitrary code via a long mfcisa
CVE-2004-2374 MEDIUM 5.0 DOWNGRADE BadBlue 2.4 allows remote attackers to obtain the location of the server installation path via a request for p

References

← Back to latest CVEs