Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2010-0442

37
FAUCET Score

CVE-2010-0442 describes a denial-of-service vulnerability in the bitsubstr function of PostgreSQL versions 8.0.23, 8.1.11, and 8.3.8. An authenticated remote user can crash the database daemon by providing a negative integer as the third argument to the substring function when used with bit strings. This vulnerability has a CVSS score of 6.5, indicating a medium severity with potential for partial confidentiality, integrity, and availability impact. While not actively exploited in the wild, a public exploit (EDB-33571) exists, and it has a high FAUCET Risk Score despite minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.4, < 7.4.28CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.0, < 8.0.24CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.1, < 8.1.20CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.2, < 8.2.16CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.3, < 8.3.10CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.36%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-33571 · Jan 27, 2010
This CVE's current EPSS score of 0.1336 is in the 99th percentile among its peer group of 21,974 CVEs.

Social Chatter

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 (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: rh-postgresql-0:7.3.21-3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: postgresql-0:7.4.29-1.el4_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: postgresql-0:8.1.21-1.el5_5.1
View patch

Vendor Advisories (1)

redhatCVE-2010-0442Moderate

postgresql: substring() negative length argument buffer overflow

Jan 27, 2010

References

archives.postgresql.org / pgsql-committers/2010-01/msg00125.php
Vendor Advisory
archives.postgresql.org / pgsql-hackers/2010-01/msg00634.php
Vendor Advisory
bugs.debian.org / cgi-bin/bugreport.cgi
Third Party Advisory
git.postgresql.org / gitweb
Vendor Advisory
git.postgresql.org / gitweb
Vendor Advisory
intevydis.blogspot.com / 2010/01/postgresql-8023-bitsubstr-overflow.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/39566
Broken Link
secunia.com / advisories/39820
Broken Link
secunia.com / advisories/39939
Broken Link
securitytracker.com / id
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/55902
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9720
Third Party Advisory
ubuntu.com / usn/usn-933-1
Third Party Advisory
debian.org / security/2010/dsa-2051
Third Party Advisory
mandriva.com / security/advisories
Broken Link
openwall.com / lists/oss-security/2010/01/27/5
Mailing ListThird Party Advisory
redhat.com / support/errata/RHSA-2010-0427.html
Third Party Advisory
redhat.com / support/errata/RHSA-2010-0428.html
Third Party Advisory
redhat.com / support/errata/RHSA-2010-0429.html
Third Party Advisory
securityfocus.com / bid/37973
ExploitThird Party AdvisoryVDB Entry
vupen.com / english/advisories/2010/1022
Permissions Required
vupen.com / english/advisories/2010/1197
Permissions Required
vupen.com / english/advisories/2010/1207
Permissions Required
vupen.com / english/advisories/2010/1221
Permissions Required