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CVE-2026-18739

🗓️ 04 Aug 2026 05:32:50Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

CVE-2026-18739: Off-by-one in poptStuffArgs risks data corruption and local code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18739
4 Aug 202605:32
attackerkb
cvelist
Cvelist
CVE-2026-18739 Popt-devel: popt-static: off-by-one in poptstuffargs
4 Aug 202605:32
cvelist
euvd
EUVD
EUVD-2026-52577
4 Aug 202605:32
euvd
nvd
NVD
CVE-2026-18739
4 Aug 202606:16
nvd
ptsecurity
Positive Technologies
PT-2026-67642
4 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-18739
4 Aug 202605:32
redhatcve
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "popt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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04 Aug 2026 06:16Current
6Medium risk
Vulners AI Score6
CVSS 3.12.5
10