How severe is CVE-2019-19725?

CVE-2019-19725 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19725?

CVE-2019-19725 primarily affects Sysstat Project Sysstat. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19725?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-19725 published?

CVE-2019-19725 was published on 2019-12-11 and last updated on 2026-06-17.

CVE-2019-19725

CVE-2019-19725 is a critical-severity vulnerability in Sysstat Project Sysstat with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Sysstat Project Sysstat
Published: 2019-12-11
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-19725?: sysstat through 12.2.0 has a double free in check_file_actlst in sa_common.c.
How severe is CVE-2019-19725?: CVE-2019-19725 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19725?: CVE-2019-19725 primarily affects Sysstat Project Sysstat. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19725?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-19725 published?: CVE-2019-19725 was published on 2019-12-11 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:sysstat_project:sysstat:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

More vulnerabilities in Sysstat Project Sysstat

CVE-2023-33204 — High (CVSS 7.8): sysstat through 12.7.2 allows a multiplication integer overflow in check_overflow in common.c. NOTE: this issue exists…
CVE-2018-19416 — High (CVSS 7.8): 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…
CVE-2022-39377 — High (CVSS 7.0): sysstat is a set of system performance tools for the Linux operating system. On 32 bit systems, in versions 9.1.16 and…
CVE-2019-16167 — Medium (CVSS 5.5): sysstat before 12.1.6 has memory corruption due to an Integer Overflow in remap_struct() in sa_common.c.
CVE-2018-19517 — Medium (CVSS 5.5): 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…

All CVEs affecting Sysstat Project Sysstat →

Other CWE-415 (Double Free) vulnerabilities

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CVE-2026-8925 — Critical (CVSS 9.8): The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing…
CVE-2020-37239 — Critical (CVSS 9.8): libbabl 0.1.62 contains a broken double free detection vulnerability that allows attackers to bypass memory safety…
CVE-2026-43011 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When…
CVE-2026-31609 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in…
CVE-2026-31608 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in…

Browse all CWE-415 (Double Free) vulnerabilities →