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).
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123
http://seclists.org/oss-sec/2018/q2/122
https://www.debian.org/security/2018/dsa-4208
https://usn.ubuntu.com/3658-1/
http://www.securityfocus.com/bid/104214
https://www.exploit-db.com/exploits/44806/
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html
https://usn.ubuntu.com/3658-3/
https://security.gentoo.org/glsa/201805-14
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00059.html
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
Source: MITRE
Published: 2018-05-23
Updated: 2021-06-29
Type: CWE-122
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH