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No exploitation reportedFix available

CVE-2018-1126

No exploitation reported by the sources we read.

  • Published2018-05-23
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

procps-ng before version 3.3.15 is vulnerable to an incorrect integer size in proc/alloc.* leading to truncation/integer overflow issues. This flaw is related to CVE-2018-1124.

Timeline

dates in UTC
  1. 2018-05-2313:29CVE publishedNVD

Versions per branch

NVD
Canonical ubuntu linux
BranchAffectedFixed in
14.4= 14.04no fix published
16.4= 16.04no fix published
17.10= 17.10no fix published
18.4= 18.04no fix published
Debian debian linux
BranchAffectedFixed in
7.0= 7.0no fix published
8.0= 8.0no fix published
9.0= 9.0no fix published
Redhat enterprise linux server
BranchAffectedFixed in
7.0= 7.0no fix published
7.5= 7.5no fix published

7 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As redhat, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • [UNKNOWN] procps-ng, procps
    Affected
    • = procps-ng 3.3.15no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2019-10-26

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • imgbasedRed Hat:enterprise_linux:7::hypervisorall versions · fixed in 0:1.0.17-0.1.el7evand 1 other package
  • procpsUbuntu:18.04:LTSall versions · fixed in 2:3.3.12-3ubuntu1.1
  • procpsUbuntu:16.04:LTSall versions · fixed in 2:3.3.10-4ubuntu2.4
  • procpsUbuntu:14.04:LTSall versions · fixed in 1:3.3.9-1ubuntu2.3
  • procpsSUSE:OpenStack Cloud 7all versions · fixed in 3.3.9-11.18.1
  • procpsSUSE:Linux Enterprise Software Development Kit 12 SP4all versions · fixed in 3.3.9-11.18.1
  • procpsSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 3.3.9-11.11.1
  • procpsSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 3.3.9-11.14.1

49 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-1126 Red Hat Product Security238 products fixed · 1 known affected

    procps: incorrect integer size in proc/alloc.* leading to truncation / integer overflow issues

    procps.src as a component of Red Hat Enterprise Linux 5

  • RHSA-2019:1944 Red Hat Product Security43 products fixed

    Red Hat Security Advisory: procps-ng security update

  • RHSA-2018:2268 Red Hat Product Security18 products fixed

    Red Hat Security Advisory: procps security update

  • RHSA-2018:2267 Red Hat Product Security34 products fixed

    Red Hat Security Advisory: procps security update

  • RHSA-2018:1820 Red Hat Product Security8 products fixed

    Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update

  • RHSA-2018:1777 Red Hat Product Security52 products fixed

    Red Hat Security Advisory: procps security update

1 more advisory

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2019:1944 · 43 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. Vendor fix Red Hat Product Security RHSA-2018:1820 · 8 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891
  3. No fix planned, says the vendor Red Hat Product Security CVE-2018-1126 · 1 productWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2025-12-17
  • CNACVSS 3.04.8known since 2026-10-23
  • NVDCVSS 3.09.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-190known since 2026-10-23
  • NVDweakness (CWE)CWE-190read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-05-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-3vhp-j7w2-qxhv

Frequently asked questions

What is CVE-2018-1126?

procps-ng before version 3.3.15 is vulnerable to an incorrect integer size in proc/alloc.* leading to truncation/integer overflow issues. This flaw is related to CVE-2018-1124.

Is CVE-2018-1126 actively exploited?

Active exploitation of CVE-2018-1126 has not been confirmed. Its EPSS score was 1.7% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1126?

CVE-2018-1126 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record