MEDIUM
postgresql: tempory DoS caused by slow regex NFA cleanup
Published Jan 9, 2008
6.8
MEDIUMCVSS 2.0
EPSS 3.85%
Description
Algorithmic complexity vulnerability in the regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (memory consumption) via a crafted "complex" regular expression with doubly-nested states.
Affected products
No data.
OR
- 7.3
- 7.3.1
- 7.3.2
- 7.3.3
- 7.3.4
- 7.3.6
- 7.3.8
- 7.3.9
- 7.3.10
- 7.3.11
- 7.3.12
- 7.3.13
- 7.3.14
- 7.3.15
- 7.3.16
- 7.3.19
- 7.4
- 7.4.1
- 7.4.2
- 7.4.3
- 7.4.4
- 7.4.5
- 7.4.6
- 7.4.7
- 7.4.8
- 7.4.9
- 7.4.10
- 7.4.11
- 7.4.12
- 7.4.13
- 7.4.14
- 7.4.16
- 7.4.17
- 8.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.7
- 8.0.8
- 8.0.9
- 8.0.11
- 8.0.13
- 8.0.317
- 8.1.1
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.7
- 8.1.8
- 8.1.9
- 8.2
- 8.2.2
- 8.2.3
- 8.2.4
- ≤ 8.4.16
No data.
Red Hat Enterprise Linux 4
postgresql-0:7.4.19-1.el4_6.1
Fixed · RHSA-2008:0038
Red Hat Enterprise Linux 5
postgresql-0:8.1.11-1.el5_1.1
Fixed · RHSA-2008:0038
Red Hat Enterprise Linux 5
tcl-0:8.4.13-6.el5
Fixed · RHSA-2013:0122
Red Hat Web Application Stack for RHEL 4
postgresql-0:8.1.11-1.el4s1.1
Fixed · RHSA-2008:0040
Red Hat Enterprise Linux 4
tcl
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | postgresql-0:7.4.19-1.el4_6.1 | Fixed | RHSA-2008:0038 |
| Red Hat Enterprise Linux 5 | postgresql-0:8.1.11-1.el5_1.1 | Fixed | RHSA-2008:0038 |
| Red Hat Enterprise Linux 5 | tcl-0:8.4.13-6.el5 | Fixed | RHSA-2013:0122 |
| Red Hat Web Application Stack for RHEL 4 | postgresql-0:8.1.11-1.el4s1.1 | Fixed | RHSA-2008:0040 |
| Red Hat Enterprise Linux 4 | tcl | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.85% 0.03855
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03855
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.85% (0.03855) | 89.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.89% (0.03887) | 88.84th | v5 (v2026.06.15) |
| Feb 1, 2026 | 0.40% (0.00399) | 60.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.69% (0.01692) | 81.02th | v4 (v2025.03.14) |
| Dec 20, 2024 | 3.25% (0.03254) | 91.06th | v3 (v2023.03.01) |
| Jan 15, 2024 | 1.45% (0.01446) | 85.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.34% (0.01337) | 83.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.53% (0.02528) | 81.92th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.53% (0.02528) | 80.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.53% (0.02528) | 58.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (44)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154 vendor-advisoryx_refsource_HP
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-0122.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/28359 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28376 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28437 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28438 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28454 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28455 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28464 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28477 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28479 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28679 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28698 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29638 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200801-15.xml vendor-advisoryx_refsource_GENTOO
- http://securitytracker.com/id?1019157 vdb-entryx_refsource_SECTRACK
- http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894 x_refsource_CONFIRM
- http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894 x_refsource_CONFIRMExploit
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1 vendor-advisoryx_refsource_SUNALERT
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1 vendor-advisoryx_refsource_SUNALERT
- http://www.debian.org/security/2008/dsa-1460 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1463 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:004 vendor-advisoryx_refsource_MANDRIVA
- http://www.postgresql.org/about/news.905 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2008-0038.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2008-0040.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/485864/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/486407/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/27163 vdb-entryx_refsource_BIDPatch
- http://www.vupen.com/english/advisories/2008/0061 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/0109 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/1071/references vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-6067 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=400931 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39498 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1768 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-6067
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10235 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/568-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2007-6067
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 9, 2008
Updated Aug 7, 2024
Reserved Nov 21, 2007
Link CVE-2007-6067
CISA Vulnrichment
Updated n/a