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    CVE-2010-1866

    The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which bypasses a signed comparison, related to an integer overflow in the chunk size decoder.

    Published:May 2, 2010
    Last Modified:Apr 11, 2025
    EPS:May 7, 2010
    EPSS Score:0.01483
    CVSS Score:9.8

    Affected Products

    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Php
    Product
    Php
    Vendor
    Suse
    Product
    Linux Enterprise

    Exploits

    http://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.htmlhttp://php-security.org/2010/05/02/mops-2010-003-php-dechunk-filter-signed-comparison-vulnerability/index.htmlhttps://www.exploit-db.com/exploits/33920

    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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    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