CVE-2015-4054

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    CVE-2015-4054

    Published: 23 May 2017Last Modified: 10 Apr 2026

    Summary:

    Details: PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.

    References: http://www.openwall.com/lists/oss-security/2015/05/22/5, http://www.securityfocus.com/bid/74751, https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5, https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573, https://github.com/pgbouncer/pgbouncer/issues/42, https://pgbouncer.github.io/changelog.html#pgbouncer-15x, https://security.gentoo.org/glsa/201701-24, http://www.openwall.com/lists/oss-security/2015/05/22/5, https://github.com/pgbouncer/pgbouncer/issues/42, https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5, https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573

    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