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Vulnerability record · CVE-2018-1123 · published 23 May 2018

CVE-2018-1123: Procps-ng project procps-ng heap-based buffer overflow vulnerability

PProcps Ng Project · Procps Ng

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).

7.5 CVSS 3.0 High EPSS 9.1% · top 4.9% CWE-122 · Heap-based buffer overflowCWE-119 · Memory buffer overflow
7.5CVSS 3.0 base score, v2 5.0
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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).

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104214 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123 Issue TrackingPatchThird Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201805-14 Third Party Advisory
https://usn.ubuntu.com/3658-1/ Third Party Advisory
https://usn.ubuntu.com/3658-3/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4208 Third Party Advisory
https://www.exploit-db.com/exploits/44806/ Third Party AdvisoryVDB Entry
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt ExploitThird Party Advisory
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 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104214 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123 Issue TrackingPatchThird Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201805-14 Third Party Advisory
https://usn.ubuntu.com/3658-1/ Third Party Advisory
https://usn.ubuntu.com/3658-3/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4208 Third Party Advisory
https://www.exploit-db.com/exploits/44806/ Third Party AdvisoryVDB Entry
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1123), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.