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    CVE-2008-1026

    Integer overflow in the PCRE regular expression compiler (JavaScriptCore/pcre/pcre_compile.cpp) in Apple WebKit, as used in Safari before 3.1.1, allows remote attackers to execute arbitrary code via a regular expression with large, nested repetition counts, which triggers a heap-based buffer overflow.

    Published:Mar 28, 2008
    Last Modified:Apr 23, 2026
    EPS:Apr 17, 2008
    EPSS Score:0.05274
    CVSS Score:6.8

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Mac Os X Server
    Vendor
    Apple
    Product
    Safari
    Vendor
    Microsoft
    Product
    Windows Vista
    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    No exploit reference

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    References

    http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html
    http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html
    http://secunia.com/advisories/29846
    http://secunia.com/advisories/31074
    http://securityreason.com/securityalert/3815
    http://support.apple.com/kb/HT1467
    http://www.securityfocus.com/archive/1/490990/100/0/threaded
    http://www.securityfocus.com/bid/28815
    http://www.securitytracker.com/id?1019870
    http://www.vupen.com/english/advisories/2008/1250/references
    http://www.vupen.com/english/advisories/2008/2094/references
    http://www.zerodayinitiative.com/advisories/ZDI-08-022
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41859
    http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html
    http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html
    http://secunia.com/advisories/29846
    http://secunia.com/advisories/31074
    http://securityreason.com/securityalert/3815
    http://support.apple.com/kb/HT1467
    http://www.securityfocus.com/archive/1/490990/100/0/threaded
    http://www.securityfocus.com/bid/28815
    http://www.securitytracker.com/id?1019870
    http://www.vupen.com/english/advisories/2008/1250/references
    http://www.vupen.com/english/advisories/2008/2094/references
    http://www.zerodayinitiative.com/advisories/ZDI-08-022
    https://exchange.xforce.ibmcloud.com/vulnerabilities/41859

    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