What is CVE-2019-19725?

CVE-2019-19725 is a critical-severity vulnerability in Sysstat Project, classified under Double Free. CVSS score: 9.8/10. Published 2019-12-11.

How severe is CVE-2019-19725?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Double Free in Sysstat Project

CVE-2019-19725

sysstat through 12.2.0 has a double free in check_file_actlst in sa_common.c.

Vulnerability class: Double Free

Published 2019-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Sysstat Project
Canonical Ubuntu Linux — versions 16.04, 18.04, 19.04
Debian Linux — versions 10.0

Weakness classification (CWE)

CWE-415 — Double Free

References

github.com/sysstat/sysstat/issues/242 (Exploit, Third Party Advisory, Issue Tracking)
usn.ubuntu.com/4242-1/ (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/202007-22 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/11/msg00014.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19725?: CVE-2019-19725 is a critical-severity vulnerability in Sysstat Project, classified under Double Free. CVSS score: 9.8/10. Published 2019-12-11.
How severe is CVE-2019-19725?: Critical severity. CVSS v3 base score is 9.8 out of 10.