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    CVE-2018-1123

    procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

    Published:May 17, 2018
    Last Modified:Dec 17, 2025
    EPS:May 23, 2018
    EPSS Score:0.0266
    CVSS Score:3.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Procps-ng Project
    Product
    Procps-ng

    Exploits

    https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txthttps://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txthttps://www.exploit-db.com/exploits/44806https://github.com/aravinddathd/CVE-2018-1123

    Related CVEs

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    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/2019-10/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00059.html
    http://seclists.org/oss-sec/2018/q2/122
    http://www.securityfocus.com/bid/104214
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html
    https://security.gentoo.org/glsa/201805-14
    https://usn.ubuntu.com/3658-1/
    https://usn.ubuntu.com/3658-3/
    https://www.debian.org/security/2018/dsa-4208
    https://www.exploit-db.com/exploits/44806/
    https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00059.html
    http://seclists.org/oss-sec/2018/q2/122
    http://www.securityfocus.com/bid/104214
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html
    https://security.gentoo.org/glsa/201805-14
    https://usn.ubuntu.com/3658-1/
    https://usn.ubuntu.com/3658-3/
    https://www.debian.org/security/2018/dsa-4208
    https://www.exploit-db.com/exploits/44806/
    https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt

    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