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Fencer Vulns
critical 9.8

CVE-2019-19725 json

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

published 2019-12-11 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9327

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

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

Patch / fix

  • sysstat Debian 14, Debian 13, Debian 12 12.2.0-2

debian advisories DEBIAN-CVE-2019-19725

  • sysstat Ubuntu 16.04 LTS 11.2.0-1ubuntu0.3
  • sysstat Ubuntu 18.04 LTS 11.6.1-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2019-19725

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • sysstat SLES 12 SP5, SLES 12 SP4, SLES 12 SP3-BCL +11 more 12.0.2-10.36.1
  • sysstat SLE Module for Server Applications 15 SP1, SLE Module for Basesystem 15 SP1 12.0.2-3.21.18

suse advisories SUSE-SU-2020:0026-2SUSE-SU-2020:1419-1SUSE-SU-2020:0026-1

  • sysstat openSUSE Tumbleweed 12.4.3-3.2
  • sysstat openSUSE Leap 15.1 12.0.2-lp151.3.15.1

opensuse advisories openSUSE-SU-2024:11419-1openSUSE-SU-2020:0736-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-19725 updated cvss 9.8

sysstat: double free in check_file_actlst() in sa_common.c may lead to arbitrary code execution

  • Red Hat Enterprise Linux 5 sysstat Red Hat Enterprise Linux 6 sysstat Red Hat Enterprise Linux 7 sysstat Red Hat Enterprise Linux 8 sysstat
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.58% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/sysstat/sysstat/issues/242 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.