DEBIAN-CVE-2026-6476
SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.
DEBIAN-CVE-2026-6476
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-6476
postgresql-17
Source reference: /affected/0/package/name
- Affected versions
- 17.5-1
Source reference:
/affected/0/versions17.6-0+deb13u1Source reference:
/affected/0/versions17.6-1Source reference:
/affected/0/versions17.7-0+deb13u1Source reference:
/affected/0/versions17.8-0+deb13u1Source reference:
/affected/0/versions17.9-0+deb13u1Source reference:
/affected/0/versions - Fixed versions
- 17.10-0+deb13u1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
postgresql-18
Source reference: /affected/1/package/name
- Affected versions
- 18.0-1
Source reference:
/affected/1/versions18.1-1Source reference:
/affected/1/versions18.1-2Source reference:
/affected/1/versions18.2-1Source reference:
/affected/1/versions18.3-1Source reference:
/affected/1/versions18~beta1+20250612-1Source reference:
/affected/1/versions18~beta1+20250624-1Source reference:
/affected/1/versions18~beta1+20250701-1Source reference:
/affected/1/versions18~beta1-1Source reference:
/affected/1/versions18~beta2-1Source reference:
/affected/1/versions18~beta3-1Source reference:
/affected/1/versions18~rc1-1Source reference:
/affected/1/versions18~rc1-2Source reference:
/affected/1/versions18~rc1-3Source reference:
/affected/1/versions18~~devel.20250318+g4078da6c478-1Source reference:
/affected/1/versions18~~devel.20250331-1Source reference:
/affected/1/versions18~~devel.20250405-1Source reference:
/affected/1/versions18~~devel.20250421-1Source reference:
/affected/1/versions18~~devel.20250502-1Source reference:
/affected/1/versions - Fixed versions
- 18.4-1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "17.10-0+deb13u1"
}
]
}
],
"package": {
"name": "postgresql-17",
"purl": "pkg:deb/debian/postgresql-17?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"17.5-1",
"17.6-0+deb13u1",
"17.6-1",
"17.7-0+deb13u1",
"17.8-0+deb13u1",
"17.9-0+deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6476.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "18.4-1"
}
]
}
],
"package": {
"name": "postgresql-18",
"purl": "pkg:deb/debian/postgresql-18?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"18.0-1",
"18.1-1",
"18.1-2",
"18.2-1",
"18.3-1",
"18~beta1+20250612-1",
"18~beta1+20250624-1",
"18~beta1+20250701-1",
"18~beta1-1",
"18~beta2-1",
"18~beta3-1",
"18~rc1-1",
"18~rc1-2",
"18~rc1-3",
"18~~devel.20250318+g4078da6c478-1",
"18~~devel.20250331-1",
"18~~devel.20250405-1",
"18~~devel.20250421-1",
"18~~devel.20250502-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6476.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58260 · Revision 1
- Added to Heist Feed
- Publisher date