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    CVE-2009-4134

    Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

    Published:May 10, 2010
    Last Modified:Apr 11, 2025
    EPS:May 27, 2010
    EPSS Score:0.02612
    CVSS Score:5

    Affected Products

    Vendor
    Python
    Product
    Python
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-7210 (CVSS 6.3) — `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, w…
    CVE-2026-3087 (CVSS 6) — If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...…
    CVE-2026-6019 (CVSS 2.1) — http.cookies.Morsel.js_output() returns an inline <script> snippet and only escapes " for JavaScript string co…
    CVE-2026-4519 (CVSS 7) — The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line optio…
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    References

    http://bugs.python.org/issue8678
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
    http://secunia.com/advisories/42888
    http://secunia.com/advisories/43068
    http://secunia.com/advisories/43364
    http://support.apple.com/kb/HT4435
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
    http://www.redhat.com/support/errata/RHSA-2011-0027.html
    http://www.redhat.com/support/errata/RHSA-2011-0260.html
    http://www.securityfocus.com/bid/40361
    http://www.vupen.com/english/advisories/2011/0122
    http://www.vupen.com/english/advisories/2011/0212
    http://www.vupen.com/english/advisories/2011/0413
    https://bugzilla.redhat.com/show_bug.cgi?id=541698
    http://bugs.python.org/issue8678
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
    http://secunia.com/advisories/42888
    http://secunia.com/advisories/43068
    http://secunia.com/advisories/43364
    http://support.apple.com/kb/HT4435
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
    http://www.redhat.com/support/errata/RHSA-2011-0027.html
    http://www.redhat.com/support/errata/RHSA-2011-0260.html
    http://www.securityfocus.com/bid/40361
    http://www.vupen.com/english/advisories/2011/0122
    http://www.vupen.com/english/advisories/2011/0212
    http://www.vupen.com/english/advisories/2011/0413
    https://bugzilla.redhat.com/show_bug.cgi?id=541698

    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