UnratedFix available
postgresql: Fix of 7 CVEs
Type: advisorySources: OSV
- CVE-2026-6473: formatting.c / contrib intarray / ltree: avoid integer overflow in size calculations - CVE-2026-6474: timeofday / pg_strftime: guard against unsafe format codes and ensure null-termination on overflow - CVE-2026-6475: prevent path traversal in pg_basebackup and pg_rewind via path_is_safe_for_extraction() - CVE-2026-6477: libpq: harden PQfn() / pqFunctionCall3 against server-controlled buffer overruns in lo_read() - CVE-2026-6478: authentication: add timingsafe_bcmp() helper and apply it in MD5 / SCRAM / RADIUS / plain auth paths - CVE-2026-6479: postmaster: bound SSL/GSS negotiation recursion in ProcessStartupPacket() - CVE-2026-6637: refint contrib: prevent SQL injection and buffer overruns in check_primary_key / check_foreign_key
- Products
- postgresql, postgresql-contrib, postgresql-docs, postgresql-plperl, postgresql-plpython3, postgresql-pltcl, postgresql-server, postgresql-server-devel, postgresql-static, postgresql-test, postgresql-test-rpm-macros, postgresql-upgrade, postgresql-upgrade-devel
- Affected versions
- Not specified
- Fixed versions
- 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
- CVEs
- CVE-2026-6473, CVE-2026-6474, CVE-2026-6475, CVE-2026-6477, CVE-2026-6478, CVE-2026-6479, CVE-2026-6637
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:39 UTC · Revision 1
Source evidence
- CVE-2026-6473: formatting.c / contrib intarray / ltree: avoid integer overflow in size calculations - CVE-2026-6474: timeofday / pg_strftime: guard against unsafe format codes and ensure null-termination on overflow - CVE-2026-6475: prevent path traversal in pg_basebackup and pg_rewind via path_is_safe_for_extraction() - CVE-2026-6477: libpq: harden PQfn() / pqFunctionCall3 against server-controlled buffer overruns in lo_read() - CVE-2026-6478: authentication: add timingsafe_bcmp() helper and apply it in MD5 / SCRAM / RADIUS / plain auth paths - CVE-2026-6479: postmaster: bound SSL/GSS negotiation recursion in ProcessStartupPacket() - CVE-2026-6637: refint contrib: prevent SQL injection and buffer overruns in check_primary_key / check_foreign_key
osv:CLSA-2026-1780965584
postgresql
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-contrib
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-docs
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-plperl
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-plpython3
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-pltcl
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-server
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-server-devel
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-static
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-test
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-test-rpm-macros
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-upgrade
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
postgresql-upgrade-devel
Fixed versions: 13.23-2.module_el8+2415+b49622e4.tuxcare.els2
Complete source record
{
"id": "f415ea603f90562e3f2cb55221e005b04276712db975d2e1c37c2b3615fb17bf",
"url": "https://osv.dev/vulnerability/CLSA-2026-1780965584",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "postgresql: Fix of 7 CVEs",
"summary": "- CVE-2026-6473: formatting.c / contrib intarray / ltree: avoid integer overflow in size calculations - CVE-2026-6474: timeofday / pg_strftime: guard against unsafe format codes and ensure null-termination on overflow - CVE-2026-6475: prevent path traversal in pg_basebackup and pg_rewind via path_is_safe_for_extraction() - CVE-2026-6477: libpq: harden PQfn() / pqFunctionCall3 against server-controlled buffer overruns in lo_read() - CVE-2026-6478: authentication: add timingsafe_bcmp() helper and apply it in MD5 / SCRAM / RADIUS / plain auth paths - CVE-2026-6479: postmaster: bound SSL/GSS negotiation recursion in ProcessStartupPacket() - CVE-2026-6637: refint contrib: prevent SQL injection and buffer overruns in check_primary_key / check_foreign_key",
"evidence": "osv:CLSA-2026-1780965584",
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{
"name": {
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"prerequisites": [],
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"evidence": "/affected/8/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/9/package/name"
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"prerequisites": [],
"fixed_versions": [
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/10/package/name"
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"affected_versions": []
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{
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"severity": "unknown",
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"aliases": [
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"affected": [
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-contrib?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
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"database_specific": {
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"package": {
"name": "postgresql-docs",
"purl": "pkg:rpm/tuxcare/postgresql-docs?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-plperl?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
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],
"package": {
"name": "postgresql-plpython3",
"purl": "pkg:rpm/tuxcare/postgresql-plpython3?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
}
},
{
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],
"package": {
"name": "postgresql-pltcl",
"purl": "pkg:rpm/tuxcare/postgresql-pltcl?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
}
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-server?distro=rhel-8",
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-server-devel?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-static?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
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"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-test?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
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}
},
{
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],
"package": {
"name": "postgresql-test-rpm-macros",
"purl": "pkg:rpm/tuxcare/postgresql-test-rpm-macros?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
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},
{
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],
"package": {
"name": "postgresql-upgrade",
"purl": "pkg:rpm/tuxcare/postgresql-upgrade?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
}
},
{
"ranges": [
{
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},
{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/postgresql-upgrade-devel?distro=rhel-8",
"ecosystem": "TuxCare:RHEL:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel8els/CLSA-2026-1780965584.json"
}
}
],
"modified": "2026-10-26T09:32:01.613633363Z",
"provider": "osv",
"upstream": [
"CVE-2026-6473",
"CVE-2026-6474",
"CVE-2026-6475",
"CVE-2026-6477",
"CVE-2026-6478",
"CVE-2026-6479",
"CVE-2026-6637"
],
"references": [
"https://errata.tuxcare.com/els_os/rhel8els/CLSA-2026-1780965584.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6473",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6474",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6475",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6477",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6478",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6479",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6637"
]
},
"related_cves": [
{
"value": "CVE-2026-6473",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6474",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6475",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6477",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6478",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6479",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6637",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449394,
"published_at": "2026-06-09T00:44:13+00:00"
}