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    CVE-2002-1563

    stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter.

    Published:Oct 30, 2002
    Last Modified:Apr 16, 2026
    EPS:Apr 26, 2003
    EPSS Score:0.00083
    CVSS Score:1.2

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Linux
    Vendor
    Stunnel
    Product
    Stunnel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736
    http://marc.info/?l=bugtraq&m=104247606910598
    http://marc.info/?l=bugtraq&m=106029168514511&w=2
    http://marc.info/?l=stunnel-users&m=103600188215117&w=2
    http://www.linuxsecurity.com/advisories/engarde_advisory-3535.html
    http://www.redhat.com/support/errata/RHSA-2003-221.html
    http://www.redhat.com/support/errata/RHSA-2003-223.html
    http://www.securityfocus.com/bid/6592
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736
    http://marc.info/?l=bugtraq&m=104247606910598
    http://marc.info/?l=bugtraq&m=106029168514511&w=2
    http://marc.info/?l=stunnel-users&m=103600188215117&w=2
    http://www.linuxsecurity.com/advisories/engarde_advisory-3535.html
    http://www.redhat.com/support/errata/RHSA-2003-221.html
    http://www.redhat.com/support/errata/RHSA-2003-223.html
    http://www.securityfocus.com/bid/6592

    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