CVE-2007-3551: Buffer overflow in bbs100 before 3.2 allows remote attackers to cause a denial of service (crash) by attemptin

Q: How do I fix CVE-2007-3551?

bbs100: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Q: Is CVE-2007-3551 being exploited?

CVE-2007-3551 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-2007-3551 affect?

CVE-2007-3551 affects bbs100. Severity is medium (CVSS 6.1). Buffer overflow in bbs100 before 3.2 allows remote attackers to cause a denial of service (crash) by attempting to login as the Guest user when another Guest user is already logged in, possibly related to the state_login_prompt function in

Q: How urgent is CVE-2007-3551?

Priority 40/100. No elevated risk signals yet.

This month

MEDIUM 6.1UPGRADE

CVE-2007-3551 is a medium-severity flaw (CVSS 6.1) affecting bbs100. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in bbs100 before 3.2 allows remote attackers to cause a denial of service (crash) by attempting to login as the Guest user when another Guest user is already logged in, possibly related to the state_login_prompt function in state_login.c.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-119
Published	2007-07-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bbs100

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

Am I affected?

Timeline

2007-07-03 21:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

bbs100 bbs100 UPGRADE

Affected: <= 3.0

Fixed in: newer than 3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bbs100 || rpm -q bbs100 || bbs100 --version

2. UPGRADE to newer than 3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bbs100

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bbs100

Note

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

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-2007-3551?

bbs100: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Is CVE-2007-3551 being exploited?

CVE-2007-3551 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-2007-3551 affect?

CVE-2007-3551 affects bbs100. Severity is medium (CVSS 6.1). Buffer overflow in bbs100 before 3.2 allows remote attackers to cause a denial of service (crash) by attempting to login as the Guest user when another Guest user is already logged in, possibly related to the state_login_prompt function in

How urgent is CVE-2007-3551?

Priority 40/100. No elevated risk signals yet.

Related CVEs

CVE-2007-3552 HIGH 7.8 UPGRADE Multiple unspecified vulnerabilities in bbs100 before 3.2 allow remote attackers to cause a denial of service

References

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