CVE-2018-1125
procps: stack buffer overflow in pgrep
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · May 18, 2018
Updated · December 18, 2025
Description
If a process inspected by pgrep has an argument longer than INT_MAX bytes, "int bytes" could wrap around back to a large positive int (rather than approaching zero), leading to a stack buffer overflow via strncat().
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
The procps suite on Red Hat Enterprise Linux is built with FORTIFY, which limits the impact of this stack overflow (and others like it) to a crash.
CVSS / CWE
CVSS 3.0 · 4.4CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CWE-121 · Stack-based Buffer Overflow