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TI-2018-01040 Aliases CVE-2018-1123GHSA-3vgv-cg7r-qgvj

Heap-based buffer overflow in [UNKNOWN] procps-ng, procps

Priority MEDIUM 44CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.08738 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Will not fix Red Hat: no fix planned

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

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]procps-ng, procpsprocps-ng 3.3.15—No fix listedCNA
  • procps-ng, procps Vendor[UNKNOWN] Affected procps-ng 3.3.15 Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:procps-ng_project:procps-ng:*:*:*:*:*:*:*:*before 3.3.15VulnerableProcps-ng Project
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:procps-ng_project:procps-ng:*:*:*:*:*:*:*:* Versions before 3.3.15 Vulnerable ·Procps-ng Project
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    [UNKNOWN] procps-ng, procps — openSUSE-SU-2019:2376

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — openSUSE-SU-2019:2379

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 4 records → Advisory →
Show 4 more groups
  • Advisory ·

    [UNKNOWN] procps-ng, procps — USN-3658-1

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — DSA-4208

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01043 Integer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 45
    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 4 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — USN-3658-3

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01042 Stack-based buffer overflow in [UNKNOWN] procps-ng, procpsPriority MEDIUM 42
    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 3 records → Advisory →
  • Advisory ·

    [UNKNOWN] procps-ng, procps — GLSA-201805-14

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-01039 procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top.Priority LOW 35
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1123
  2. 2026-10-03 Alias added: GHSA-3vgv-cg7r-qgvj

References

Exploit 2

Patch 1

Advisory 8

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences