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Fencer Vulns
medium 5.5

CVE-2018-19517 json

An issue was discovered in sysstat 12.1.1.

published 2018-11-24 7 y ago modified 2026-10-15 24 d ago also EUVD-2018-11206

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

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.

Patch / fix

  • sysstat Debian 14, Debian 13, Debian 12 12.0.3-2

debian advisories DEBIAN-CVE-2018-19517

  • sysstat SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES 12 SP4 +3 more 12.0.2-10.18.1
  • sysstat SLE Module for Server Applications 15, SLE Module for Basesystem 15 12.0.2-3.6.12

suse advisories SUSE-SU-2019:1326-1SUSE-SU-2019:0806-1

  • sysstat openSUSE Tumbleweed 12.4.3-3.2
  • sysstat openSUSE Leap 15.0 12.0.2-lp150.7.1

opensuse advisories openSUSE-SU-2024:11419-1openSUSE-SU-2019:1176-1

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-2018-19517 updated cvss 5.5

sysstat: Out of bounds read in remap_struct function in sa_common.c

  • Red Hat Enterprise Linux 8 sysstat
    affected: no fix available “Fix deferred”
  • 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
24 d ago

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/sysstat/sysstat/issues/199 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/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.