An issue was discovered in sysstat 12.1.1.
Priority LOW 26CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00824 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sysstat_project:sysstat:12.1.1:*:*:*:*:*:*:* | 12.1.1 | Vulnerable | Sysstat Project |
- cpe:2.3:a:sysstat_project:sysstat:12.1.1:*:*:*:*:*:*:* Versions 12.1.1 Vulnerable ·Sysstat Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19517
- 2026-10-03 Alias added: GHSA-54j6-397f-4j69
- 2026-10-16 CISA SSVC decision points changed
References
More Sysstat Project Sysstat vulnerabilities
- TI-2022-18751 sysstat Incorrect Buffer Size calculation on 32-bit systems results in RCE via buffer overflow CVSS 3.1HIGH 7.8
- TI-2019-14211 sysstat through 12.2.0 has a double free in check_file_actlst in sa_common.c. CVSS 3.1CRITICAL 9.8
- TI-2018-13748 An issue was discovered in sysstat 12.1.1. CVSS 3.0HIGH 7.8
- TI-2023-16381 sysstat through 12.7.2 allows a multiplication integer overflow in check_overflow in… CVSS 3.1HIGH 7.8
- TI-2019-12153 sysstat before 12.1.6 has memory corruption due to an Integer Overflow in remap_struct() in sa_common.c. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2018-19517 · CVE Program
- CVE-2018-19517 · NVD
- FIRST EPSS
- GHSA-54j6-397f-4j69 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-19517 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences