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CVE-2008-3963

22
FAUCET Score

CVE-2008-3963 describes a denial-of-service vulnerability in MySQL versions 5.0.66, 5.1.26, and 6.0.6 and earlier. Remote authenticated attackers can crash the MySQL daemon by including an empty bit-string literal (b'') in a SQL statement. This vulnerability has a CVSS score of 4.0, indicating a low severity with network access, low attack complexity, and potential for partial availability impact. While not listed in CISA's KEV catalog, a public exploit (EDB-32348) exists for MySQL 6.0.4, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.0CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.0.2:*:*:*:*:*:*:*
5.0.3CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.0.3:*:*:*:*:*:*:*
5.0.4CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.46%
Probability of exploitation in next 30 days
EPSS Percentile
93.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-32348 · Mar 28, 2008
This CVE's current EPSS score of 0.0646 is in the 98th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: mysql-0:5.0.77-3.el5
View patch

Vendor Advisories (1)

redhatCVE-2008-3963Low

MySQL: Using an empty binary value leads to server crash

Aug 10, 2008

References

bugs.mysql.com / bug.php
dev.mysql.com / doc/refman/5.0/en/releasenotes-es-5-0-66.html
dev.mysql.com / doc/refman/5.1/en/news-5-1-26.html
dev.mysql.com / doc/refman/6.0/en/news-6-0-6.html
lists.opensuse.org / opensuse-security-announce/2008-11/msg00001.html
bugs.gentoo.org / 237166
secunia.com / advisories/31769
Vendor Advisory
secunia.com / advisories/32759
Vendor Advisory
secunia.com / advisories/32769
secunia.com / advisories/34907
Vendor Advisory
secunia.com / advisories/36566
exchange.xforce.ibmcloud.com / vulnerabilities/45042
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10521
debian.org / security/2009/dsa-1783
Patch
mandriva.com / security/advisories
openwall.com / lists/oss-security/2008/09/09/4
openwall.com / lists/oss-security/2008/09/09/7
redhat.com / support/errata/RHSA-2009-1067.html
redhat.com / support/errata/RHSA-2009-1289.html
securitytracker.com / id
ubuntu.com / usn/USN-1397-1
ubuntu.com / usn/USN-671-1
vupen.com / english/advisories/2008/2554
Vendor Advisory