CVE Database›CVE-2018-1123

CVE-2018-1123

procps: denial of service in ps via mmap buffer overflow

Loading…

Severity

Low

Red Hat Product Security

3.9

CVSS 3.0

Review impact separately from score.

Published · May 18, 2018

Updated · June 30, 2026

Description

Due to incorrect accounting when decoding and escaping Unicode data in procfs, ps is vulnerable to overflowing an mmap()ed region when formatting the process list for display. Since ps maps a guard page at the end of the buffer, impact is limited to a crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.9
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

CWE-122 · Heap-based Buffer Overflow