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    CVE-2007-4772

    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 context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.

    Published:Jan 7, 2008
    Last Modified:Apr 23, 2026
    EPS:Jan 9, 2008
    EPSS Score:0.00271
    CVSS Score:4

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Postgresql
    Product
    Postgresql
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Application Stack
    Vendor
    Tcl
    Product
    Tcl\/tk

    Exploits

    http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
    http://rhn.redhat.com/errata/RHSA-2013-0122.html
    http://secunia.com/advisories/28359
    http://secunia.com/advisories/28376
    http://secunia.com/advisories/28437
    http://secunia.com/advisories/28438
    http://secunia.com/advisories/28454
    http://secunia.com/advisories/28455
    http://secunia.com/advisories/28464
    http://secunia.com/advisories/28477
    http://secunia.com/advisories/28479
    http://secunia.com/advisories/28679
    http://secunia.com/advisories/28698
    http://secunia.com/advisories/29070
    http://secunia.com/advisories/29248
    http://secunia.com/advisories/29638
    http://secunia.com/advisories/30535
    http://security.gentoo.org/glsa/glsa-200801-15.xml
    http://securitytracker.com/id?1019157
    http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894
    http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1
    http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1
    http://www.debian.org/security/2008/dsa-1460
    http://www.debian.org/security/2008/dsa-1463
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:004
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:059
    http://www.postgresql.org/about/news.905
    http://www.redhat.com/support/errata/RHSA-2008-0038.html
    http://www.redhat.com/support/errata/RHSA-2008-0040.html
    http://www.redhat.com/support/errata/RHSA-2008-0134.html
    http://www.securityfocus.com/archive/1/485864/100/0/threaded
    http://www.securityfocus.com/archive/1/486407/100/0/threaded
    http://www.securityfocus.com/archive/1/493080/100/0/threaded
    http://www.securityfocus.com/bid/27163
    http://www.vmware.com/security/advisories/VMSA-2008-0009.html
    http://www.vupen.com/english/advisories/2008/0061
    http://www.vupen.com/english/advisories/2008/0109
    http://www.vupen.com/english/advisories/2008/1071/references
    http://www.vupen.com/english/advisories/2008/1744
    https://exchange.xforce.ibmcloud.com/vulnerabilities/39497
    https://issues.rpath.com/browse/RPL-1768
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569
    https://usn.ubuntu.com/568-1/
    https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html
    https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html
    http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
    http://rhn.redhat.com/errata/RHSA-2013-0122.html
    http://secunia.com/advisories/28359
    http://secunia.com/advisories/28376
    http://secunia.com/advisories/28437
    http://secunia.com/advisories/28438
    http://secunia.com/advisories/28454
    http://secunia.com/advisories/28455
    http://secunia.com/advisories/28464
    http://secunia.com/advisories/28477
    http://secunia.com/advisories/28479
    http://secunia.com/advisories/28679
    http://secunia.com/advisories/28698
    http://secunia.com/advisories/29070
    http://secunia.com/advisories/29248
    http://secunia.com/advisories/29638
    http://secunia.com/advisories/30535
    http://security.gentoo.org/glsa/glsa-200801-15.xml
    http://securitytracker.com/id?1019157
    http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894
    http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1
    http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1
    http://www.debian.org/security/2008/dsa-1460
    http://www.debian.org/security/2008/dsa-1463
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:004
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:059
    http://www.postgresql.org/about/news.905
    http://www.redhat.com/support/errata/RHSA-2008-0038.html
    http://www.redhat.com/support/errata/RHSA-2008-0040.html
    http://www.redhat.com/support/errata/RHSA-2008-0134.html
    http://www.securityfocus.com/archive/1/485864/100/0/threaded
    http://www.securityfocus.com/archive/1/486407/100/0/threaded
    http://www.securityfocus.com/archive/1/493080/100/0/threaded
    http://www.securityfocus.com/bid/27163
    http://www.vmware.com/security/advisories/VMSA-2008-0009.html
    http://www.vupen.com/english/advisories/2008/0061
    http://www.vupen.com/english/advisories/2008/0109
    http://www.vupen.com/english/advisories/2008/1071/references
    http://www.vupen.com/english/advisories/2008/1744
    https://exchange.xforce.ibmcloud.com/vulnerabilities/39497
    https://issues.rpath.com/browse/RPL-1768
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569
    https://usn.ubuntu.com/568-1/
    https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html
    https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High