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CVE-2026-16239 PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code

🗓️ 13 Aug 2026 13:00:13Reported by PostgreSQLType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Type confusion in PostgreSQL cursor/portal lifecycle before 14.24 allows arbitrary code execution as OS user.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-16239
13 Aug 202613:00
cve
debian
Debian
[SECURITY] [DSA 6438-1] postgresql-17 security update
13 Aug 202621:14
debian
debiancve
Debian CVE
CVE-2026-16239
13 Aug 202613:00
debiancve
euvd
EUVD
EUVD-2026-57849
13 Aug 202613:00
euvd
nvd
NVD
CVE-2026-16239
13 Aug 202613:17
nvd
osv
OSV
DEBIAN-CVE-2026-16239
13 Aug 202613:17
osv
osv
OSV
ECHO-F2C3-3DD7-067B
14 Aug 202602:14
osv
postgresql
PostrgeSql
Vulnerability in core server (CVE-2026-16239)
13 Aug 202600:00
postgresql
ptsecurity
Positive Technologies
PT-2026-71481
13 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-16239 PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code
13 Aug 202613:00
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "PostgreSQL",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "18.5",
        "status": "affected",
        "version": "18",
        "versionType": "rpm"
      },
      {
        "lessThan": "17.11",
        "status": "affected",
        "version": "17",
        "versionType": "rpm"
      },
      {
        "lessThan": "16.15",
        "status": "affected",
        "version": "16",
        "versionType": "rpm"
      },
      {
        "lessThan": "15.19",
        "status": "affected",
        "version": "15",
        "versionType": "rpm"
      },
      {
        "lessThan": "14.24",
        "status": "affected",
        "version": "0",
        "versionType": "rpm"
      }
    ]
  }
]

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