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Fencer Vulns
medium 5.5

CVE-2019-16167 json

sysstat before 12.1.6 has memory corruption due to an Integer Overflow in remap_struct() in sa_common.c.

published 2019-09-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6987

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

sysstat before 12.1.6 has memory corruption due to an Integer Overflow in remap_struct() in sa_common.c.

Patch / fix

  • sysstat_project sysstat 12.1.6
  • sysstat Debian 14, Debian 13, Debian 12 12.1.7-1

debian advisories DEBIAN-CVE-2019-16167

  • sysstat RHEL 8 11.7.3-5.el8
  • sysstat RHEL 8.2 EUS 11.7.3-2.el8_2.1

red hat advisories RHSA-2022:0633RHSA-2020:4638

  • sysstat SLES 12 SP5, SLES 12 SP4, SLED 12 SP4 +2 more 12.0.2-10.27.1
  • sysstat SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15, SLE Module for Basesystem 15 SP1 +1 more 12.0.2-3.15.1

suse advisories SUSE-SU-2019:2752-2SUSE-SU-2019:2752-1SUSE-SU-2019:2749-1

  • sysstat openSUSE Tumbleweed 12.4.3-3.2
  • sysstat openSUSE Leap 15.0 12.0.2-lp150.16.1
  • sysstat openSUSE Leap 15.1 12.0.2-lp151.3.9.1

opensuse advisories openSUSE-SU-2024:11419-1openSUSE-SU-2019:2397-1openSUSE-SU-2019:2395-1

  • sysstat Rocky Linux 8 11.7.3-5.el8

rocky linux advisories RLSA-2020:4638

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-2019-16167 updated cvss 5.5

sysstat: memory corruption due to an integer overflow in remap_struct in sa_common.c

  • Red Hat Enterprise Linux AppStream (v. 8) sysstat 11.7.3-5.el8
    fixed: vendor fix RHSA-2020:4638
  • Red Hat Enterprise Linux AppStream EUS (v. 8.2) sysstat 11.7.3-2.el8_2.1
    fixed: vendor fix RHSA-2022:0633
  • Red Hat Enterprise Linux 5 sysstat Red Hat Enterprise Linux 6 sysstat Red Hat Enterprise Linux 7 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

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/sysstat/sysstat/issues/230 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/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.