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    CVE-2019-11596

    In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.

    Published:Apr 10, 2019
    Last Modified:Nov 21, 2024
    EPS:Apr 29, 2019
    EPSS Score:0.01308
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Memcached
    Product
    Memcached
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openstack

    Exploits

    https://github.com/memcached/memcached/issues/474https://github.com/memcached/memcached/issues/474

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
    https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
    https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
    https://github.com/memcached/memcached/issues/474
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
    https://usn.ubuntu.com/3963-1/
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html
    https://github.com/memcached/memcached/commit/d35334f368817a77a6bd1f33c6a5676b2c402c02
    https://github.com/memcached/memcached/compare/ee1cfe3...50bdc9f
    https://github.com/memcached/memcached/issues/474
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUE3QBMP5UWTXMPKJREUICH6DIK6SOBX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2CCWRM4LHB253KG5SPOKRVDCXQX5VZR/
    https://usn.ubuntu.com/3963-1/

    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