---
id: CVE-2018-19517
title: An issue was discovered in sysstat 12.1.1
summary: >-
  An issue was discovered in sysstat 12.1.1. The remap_struct function in
  sa_common.c has an out-of-bounds read during a memset call, as demonstrated by
  sadf.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-125
vendor: sysstat_project
product: sysstat
affected:
  - sysstat = 12.1.1
published: '2018-11-24'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T18:17:16.957'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2018-19517'
references:
  - url: 'https://github.com/sysstat/sysstat/issues/199'
    label: cve@mitre.org
  - url: 'https://github.com/sysstat/sysstat/issues/199'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T17:38:33.225301Z'
epss: 0.00824
epssPercentile: 0.57191
ingestedAt: '2026-10-15T18:23:58.397Z'
---

## Overview

An issue was discovered in sysstat 12.1.1. The remap_struct function in sa_common.c has an out-of-bounds read during a memset call, as demonstrated by sadf.

## Affected

- `sysstat = 12.1.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.