HighFix available
Important: postgresql:16 security update
Type: advisorySources: OSV
PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * pgvector: pgvector: Arbitrary code execution via out-of-bounds write during IVFFlat index build (CVE-2026-103484) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Products
- pg_repack, pgaudit, postgis, postgres-decoderbufs, postgresql
- Affected versions
- Not specified
- Fixed versions
- 0:1.5.1-1.module+el9.8.0+40159+adcaa225, 0:1.5.1-1.module+el9.8.0+40212+d6f50005, 0:16.0-1.module+el9.8.0+40159+adcaa225, 0:16.0-1.module+el9.8.0+40212+d6f50005, 0:16.15-1.module+el9.8.0+40320+f6f9ed3c, 0:2.4.0-1.Final.module+el9.8.0+40159+adcaa225, 0:2.4.0-1.Final.module+el9.8.0+40212+d6f50005, 0:3.5.3-6.module+el9.8.0+40320+f6f9ed3c
- CVEs
- CVE-2026-103484
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:08 UTC · Revision 1
Source evidence
PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * pgvector: pgvector: Arbitrary code execution via out-of-bounds write during IVFFlat index build (CVE-2026-103484) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
osv:RLSA-2026:85791
pgaudit
Fixed versions: 0:16.0-1.module+el9.8.0+40212+d6f50005
pgaudit
Fixed versions: 0:16.0-1.module+el9.8.0+40159+adcaa225
pg_repack
Fixed versions: 0:1.5.1-1.module+el9.8.0+40212+d6f50005
pg_repack
Fixed versions: 0:1.5.1-1.module+el9.8.0+40159+adcaa225
postgis
Fixed versions: 0:3.5.3-6.module+el9.8.0+40320+f6f9ed3c
postgres-decoderbufs
Fixed versions: 0:2.4.0-1.Final.module+el9.8.0+40159+adcaa225
postgres-decoderbufs
Fixed versions: 0:2.4.0-1.Final.module+el9.8.0+40212+d6f50005
postgresql
Fixed versions: 0:16.15-1.module+el9.8.0+40320+f6f9ed3c
Complete source record
{
"id": "0d5ba934356b4719199eb2e3bec14013f7a0884d302fa5c9ec2a32e46d329594",
"url": "https://osv.dev/vulnerability/RLSA-2026%3A85791",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Important: postgresql:16 security update",
"summary": "PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * pgvector: pgvector: Arbitrary code execution via out-of-bounds write during IVFFlat index build (CVE-2026-103484) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"evidence": "osv:RLSA-2026:85791",
"products": [
{
"name": {
"value": "pgaudit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:16.0-1.module+el9.8.0+40212+d6f50005",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pgaudit",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:16.0-1.module+el9.8.0+40159+adcaa225",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pg_repack",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.5.1-1.module+el9.8.0+40212+d6f50005",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pg_repack",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.5.1-1.module+el9.8.0+40159+adcaa225",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgis",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:3.5.3-6.module+el9.8.0+40320+f6f9ed3c",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgres-decoderbufs",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:2.4.0-1.Final.module+el9.8.0+40159+adcaa225",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgres-decoderbufs",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:2.4.0-1.Final.module+el9.8.0+40212+d6f50005",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgresql",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:16.15-1.module+el9.8.0+40320+f6f9ed3c",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RLSA-2026:85791",
"aliases": [
"RLSA-2026:85791"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:16.0-1.module+el9.8.0+40212+d6f50005"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "pgaudit",
"purl": "pkg:rpm/rocky-linux/pgaudit?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:16.0-1.module+el9.8.0+40159+adcaa225"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "pgaudit",
"purl": "pkg:rpm/rocky-linux/pgaudit?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.5.1-1.module+el9.8.0+40212+d6f50005"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "pg_repack",
"purl": "pkg:rpm/rocky-linux/pg_repack?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.5.1-1.module+el9.8.0+40159+adcaa225"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "pg_repack",
"purl": "pkg:rpm/rocky-linux/pg_repack?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:3.5.3-6.module+el9.8.0+40320+f6f9ed3c"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "postgis",
"purl": "pkg:rpm/rocky-linux/postgis?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2.4.0-1.Final.module+el9.8.0+40159+adcaa225"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "postgres-decoderbufs",
"purl": "pkg:rpm/rocky-linux/postgres-decoderbufs?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2.4.0-1.Final.module+el9.8.0+40212+d6f50005"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "postgres-decoderbufs",
"purl": "pkg:rpm/rocky-linux/postgres-decoderbufs?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:16.15-1.module+el9.8.0+40320+f6f9ed3c"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "postgresql",
"purl": "pkg:rpm/rocky-linux/postgresql?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:85791.json"
}
}
],
"modified": "2026-10-20T12:15:38.490313127Z",
"provider": "osv",
"upstream": [
"CVE-2026-103484"
],
"references": [
"https://errata.rockylinux.org/RLSA-2026:85791",
"https://bugzilla.redhat.com/show_bug.cgi?id=2544842",
"https://access.redhat.com/errata/RHSA-2026:85791"
],
"provider_metadata": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:85791"
}
},
"related_cves": [
{
"value": "CVE-2026-103484",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387273,
"published_at": "2026-10-20T12:05:07.452289+00:00"
}