CVE-2019-8955

    Dashboard / Vulnerabilities / CVE-2019-8955

    CVE-2019-8955

    Published: 21 Feb 2019Last Modified: 8 Jul 2026

    Summary:

    Details: In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00013.html, http://www.securityfocus.com/bid/107136, https://blog.torproject.org/new-releases-tor-0402-alpha-0358-03411-and-03312, https://trac.torproject.org/projects/tor/ticket/29168

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f3e21c27631ee40603c1cab01b8e6b495689b69c

    Affected versions

    0.3.4.0-alpha\-dev
    0.3.4.1-alpha
    0.3.4.2-alpha
    0.3.4.3-alpha
    0.3.4.4-rc
    0.3.4.5-rc
    0.3.4.6-rc
    0.3.4.7-rc
    0.3.5.0-alpha\-dev
    0.3.5.1-alpha
    0.3.5.2-alpha
    0.3.5.3-alpha
    0.3.5.4-alpha
    0.3.5.5-alpha
    0.3.5.6-rc
    0.3.5.7

    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
    CVE-2019-8955 | CVE-DB