CVE-2026-6477

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"defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ansible_portal:2"], "vendor": "Red Hat", "product": "Self-service automation portal 2", "packageName": "ansible-automation-platform/bootc-automation-portal-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-05-14T14:16:25.347", "references": [{"url": "https://www.postgresql.org/support/security/CVE-2026-6477/", "tags": ["Patch", "Vendor Advisory"], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}, {"url": "https://access.redhat.com/errata/RHSA-2026:21182", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22878", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:26181", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:26203", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": 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"https://access.redhat.com/errata/RHSA-2026:54760", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:58981", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-6477", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477442", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6477.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "description": [{"lang": "en", "value": "CWE-242"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "Use of inherently dangerous function PQfn(..., result_is_int=0, ...) in PostgreSQL libpq lo_export(), lo_read(), lo_lseek64(), and lo_tell64() functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets(), PQfn(..., result_is_int=0, ...) stores arbitrary-length, server-determined data into a buffer of unspecified size. Because both the \\lo_export command in psql and pg_dump call lo_read(), the server superuser can overwrite pg_dump or psql stack memory. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected."}], "lastModified": "2026-08-25T13:19:28.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C432AE18-DD50-40EB-B46A-9283F30081DA", "versionEndExcluding": "14.23"}, {"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D8D994F-ABAB-4AC2-992F-320F4868698D", "versionEndExcluding": "15.18", "versionStartIncluding": "15.0"}, {"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B58AE3D3-E1C9-45D2-AA92-A3D135B77A8A", "versionEndExcluding": "16.14", "versionStartIncluding": "16.0"}, {"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A19538E9-DBB9-4396-AC04-17943E82C411", "versionEndExcluding": "17.10", "versionStartIncluding": "17.0"}, {"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8DB17ED-67AD-41F2-B272-27AF5B4FA2B0", "versionEndExcluding": "18.4", "versionStartIncluding": "18.0"}], "operator": "OR"}]}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}