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    CVE-2008-5031

    Multiple integer overflows in Python 2.2.3 through 2.5.1, and 2.6, allow context-dependent attackers to have an unknown impact via a large integer value in the tabsize argument to the expandtabs method, as implemented by (1) the string_expandtabs function in Objects/stringobject.c and (2) the unicode_expandtabs function in Objects/unicodeobject.c. NOTE: this vulnerability reportedly exists because of an incomplete fix for CVE-2008-2315.

    Published:Oct 19, 2008
    Last Modified:Apr 23, 2026
    EPS:Nov 10, 2008
    EPSS Score:0.02689
    CVSS Score:10

    Affected Products

    Vendor
    Python
    Product
    Python
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://scary.beasts.org/security/CESA-2008-008.html
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/35750
    http://secunia.com/advisories/37471
    http://security.gentoo.org/glsa/glsa-200907-16.xml
    http://support.apple.com/kb/HT3438
    http://svn.python.org/view/python/trunk/Objects/stringobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/stringobject.c&p2=/python/trunk/Objects/stringobject.c
    http://svn.python.org/view/python/trunk/Objects/unicodeobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/unicodeobject.c&p2=/python/trunk/Objects/unicodeobject.c
    http://svn.python.org/view?rev=61350&view=rev
    http://www.openwall.com/lists/oss-security/2008/11/05/2
    http://www.openwall.com/lists/oss-security/2008/11/05/3
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/3316
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46612
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11280
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8564
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://scary.beasts.org/security/CESA-2008-008.html
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/35750
    http://secunia.com/advisories/37471
    http://security.gentoo.org/glsa/glsa-200907-16.xml
    http://support.apple.com/kb/HT3438
    http://svn.python.org/view/python/trunk/Objects/stringobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/stringobject.c&p2=/python/trunk/Objects/stringobject.c
    http://svn.python.org/view/python/trunk/Objects/unicodeobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/unicodeobject.c&p2=/python/trunk/Objects/unicodeobject.c
    http://svn.python.org/view?rev=61350&view=rev
    http://www.openwall.com/lists/oss-security/2008/11/05/2
    http://www.openwall.com/lists/oss-security/2008/11/05/3
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/3316
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46612
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11280
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8564

    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