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    CVE-2008-1887

    Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less memory than expected when assert() is disabled and triggers a buffer overflow.

    Published:Apr 8, 2008
    Last Modified:Apr 23, 2026
    EPS:Apr 18, 2008
    EPSS Score:0.02752
    CVSS Score:9.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Python
    Product
    Python
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://bugs.python.org/issue2587http://www.securityfocus.com/archive/1/490776http://bugs.python.org/issue2587http://www.securityfocus.com/archive/1/490776

    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://bugs.python.org/issue2587
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
    http://secunia.com/advisories/29889
    http://secunia.com/advisories/30872
    http://secunia.com/advisories/31255
    http://secunia.com/advisories/31365
    http://secunia.com/advisories/31518
    http://secunia.com/advisories/31687
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/37471
    http://security.gentoo.org/glsa/glsa-200807-01.xml
    http://support.apple.com/kb/HT3438
    http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0122
    http://www.debian.org/security/2008/dsa-1551
    http://www.debian.org/security/2008/dsa-1620
    http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=InfoDocument-patchbuilder-readme5032900
    http://www.securityfocus.com/archive/1/490776
    http://www.securityfocus.com/archive/1/506056/100/0/threaded
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.securityfocus.com/bid/28749
    http://www.ubuntu.com/usn/usn-632-1
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/3316
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41944
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10407
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8624
    http://bugs.python.org/issue2587
    http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
    http://secunia.com/advisories/29889
    http://secunia.com/advisories/30872
    http://secunia.com/advisories/31255
    http://secunia.com/advisories/31365
    http://secunia.com/advisories/31518
    http://secunia.com/advisories/31687
    http://secunia.com/advisories/33937
    http://secunia.com/advisories/37471
    http://security.gentoo.org/glsa/glsa-200807-01.xml
    http://support.apple.com/kb/HT3438
    http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0122
    http://www.debian.org/security/2008/dsa-1551
    http://www.debian.org/security/2008/dsa-1620
    http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=InfoDocument-patchbuilder-readme5032900
    http://www.securityfocus.com/archive/1/490776
    http://www.securityfocus.com/archive/1/506056/100/0/threaded
    http://www.securityfocus.com/archive/1/507985/100/0/threaded
    http://www.securityfocus.com/bid/28749
    http://www.ubuntu.com/usn/usn-632-1
    http://www.vmware.com/security/advisories/VMSA-2009-0016.html
    http://www.vupen.com/english/advisories/2009/3316
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41944
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10407
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8624

    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