CVE-2011-0493

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    CVE-2011-0493

    Published: 19 Jan 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and improper handling of integer values.

    References: http://archives.seul.org/or/announce/Jan-2011/msg00000.html, http://blog.torproject.org/blog/tor-02129-released-security-patches, https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog, http://www.securityfocus.com/bid/45953, https://exchange.xforce.ibmcloud.com/vulnerabilities/64864, https://trac.torproject.org/projects/tor/ticket/2352

    Affected packages

    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