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CVE-2026-18743 Popt-devel: popt-static: short realloc in poptconfigfiletostring

🗓️ 01 Sep 2026 00:57:12Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

Short realloc in popt's poptConfigFileToString enables heap corruption and denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-18743
1 Sep 202600:57
cve
debiancve
Debian CVE
CVE-2026-18743
1 Sep 202600:57
debiancve
euvd
EUVD
EUVD-2026-68918
1 Sep 202600:57
euvd
mscve
Microsoft CVE
Popt-devel: popt-static: short realloc in poptconfigfiletostring
2 Sep 202608:02
mscve
nvd
NVD
CVE-2026-18743
1 Sep 202602:16
nvd
osv
OSV
AZL-98234 CVE-2026-18743 affecting package popt 1.19-1
1 Sep 202602:16
osv
osv
OSV
AZL-98565 CVE-2026-18743 affecting package rsync 3.5.0-1
1 Sep 202602:16
osv
osv
OSV
BELL-CVE-2026-18743
3 Sep 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-18743
1 Sep 202602:16
osv
osv
OSV
ECHO-0994-B63C-BB57
2 Sep 202621:27
osv
Rows per page
[
  {
    "vendor": "rpm-software-management",
    "product": "popt",
    "versions": [
      {
        "status": "affected",
        "version": "1.11",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "popt",
    "collectionURL": "https://github.com/rpm-software-management/popt",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "popt-main",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1.19-11.1.hum1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "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": "affected",
    "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 OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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