sysstat: Out of bounds read in remap_struct function in sa_common.c
Published Nov 24, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.82%
Description
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.
Affected products
No data.
- 12.1.1
No data.
Red Hat Enterprise Linux 5
sysstat
Not affected
Red Hat Enterprise Linux 6
sysstat
Not affected
Red Hat Enterprise Linux 7
sysstat
Not affected
Red Hat Enterprise Linux 8
sysstat
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | sysstat | Not affected | n/a |
| Red Hat Enterprise Linux 6 | sysstat | Not affected | n/a |
| Red Hat Enterprise Linux 7 | sysstat | Not affected | n/a |
| Red Hat Enterprise Linux 8 | sysstat | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of sysstat as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include the vulnerable function, which was introduced in newer version of the package.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.82% (0.00824) | 55.91th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.82% (0.00824) | 55.82th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00051) | 20.41th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.05% (0.00051) | 18.51th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.05% (0.00049) | 15.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.04% (0.00044) | 10.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00056) | 21.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2018-19517 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1679544 Issue Tracking
- https://github.com/sysstat/sysstat/issues/199 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19517
- https://www.cve.org/CVERecord?id=CVE-2018-19517
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-19517 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1679544 | Issue Tracking | |
| https://github.com/sysstat/sysstat/issues/199 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19517 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-19517 |
Change history (0)
No recorded changes yet.