CVE-2007-3780: MySQL Community Server before 5.0.45 allows remote attackers to cause a denial of service (daemon crash) via a

Q: How do I fix CVE-2007-3780?

community server: upgrade to newer than 5.0.41. Exact commands for each OS are on this page.

Q: Is CVE-2007-3780 being exploited?

CVE-2007-3780 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-2007-3780 affect?

CVE-2007-3780 affects community server. Severity is medium (CVSS 5.0). MySQL Community Server before 5.0.45 allows remote attackers to cause a denial of service (daemon crash) via a malformed password packet in the connection protocol.

Q: How urgent is CVE-2007-3780?

Priority 47/100. EPSS top 3%: very likely to be exploited; On your watchlist

This week

MEDIUM 5.0WATCHLISTUPGRADE

CVE-2007-3780 is a medium-severity flaw (CVSS 5.0) affecting community server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MySQL Community Server before 5.0.45 allows remote attackers to cause a denial of service (daemon crash) via a malformed password packet in the connection protocol.

Why this priority

EPSS top 3%: very likely to be exploited
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	14.1% (top 3%)
CISA exploited list	No
Weakness	CWE-20
Published	2007-07-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mysql

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

Am I affected?

Timeline

2007-07-15 22:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

mysql community server UPGRADE

Affected: <= 5.0.41

Fixed in: newer than 5.0.41

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy community-server || rpm -q community-server || community-server --version

2. UPGRADE to newer than 5.0.41 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade community-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade community-server

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-2007-3780?

community server: upgrade to newer than 5.0.41. Exact commands for each OS are on this page.

Is CVE-2007-3780 being exploited?

CVE-2007-3780 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-2007-3780 affect?

CVE-2007-3780 affects community server. Severity is medium (CVSS 5.0). MySQL Community Server before 5.0.45 allows remote attackers to cause a denial of service (daemon crash) via a malformed password packet in the connection protocol.

How urgent is CVE-2007-3780?

Priority 47/100. EPSS top 3%: very likely to be exploited; On your watchlist

Software pages

MySQL vulnerabilities

Related CVEs

CVE-2007-5969 HIGH 7.1 DOWNGRADE UPGRADE MySQL Community Server 5.0.x before 5.0.51, Enterprise Server 5.0.x before 5.0.52, Server 5.1.x before 5.1.23,
CVE-2007-3782 LOW 3.5 DOWNGRADE MySQL Community Server before 5.0.45 allows remote authenticated users to gain update privileges for a table i
CVE-2007-3781 MEDIUM 4.0 DOWNGRADE MySQL Community Server before 5.0.45 does not require privileges such as SELECT for the source table in a CREA
CVE-2007-0925 MEDIUM 4.3 MITIGATE Cross-site scripting (XSS) vulnerability in search/SearchResults.aspx in Community Server allows remote attack
CVE-2006-0535 MEDIUM 4.3 MITIGATE Multiple cross-site scripting (XSS) vulnerabilities in Community Server allow remote attackers to inject arbit

References

← Back to latest CVEs