DEBIAN-CVE-2026-14672
Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scram_iterations count, because the authentication challenge for a nonexistent user reports the default scram_iterations. Within major versions 16-18, minor versions before PostgreSQL 18.6, 17.11, and 16.15 are affected. Versions before PostgreSQL 16 are unaffected.
DEBIAN-CVE-2026-14672
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-2026-14672
postgresql-17
Source reference: /affected/0/package/name
- Affected versions
- 17.10-0+deb13u1
Source reference:
/affected/0/versions17.5-1Source 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
- 17.11-0+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/versions18.4-1Source 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
- 18.6-1
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": "17.11-0+deb13u1"
}
]
}
],
"package": {
"name": "postgresql-17",
"purl": "pkg:deb/debian/postgresql-17?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"17.10-0+deb13u1",
"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-2026-14672.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "18.6-1"
}
]
}
],
"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",
"18.4-1",
"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-2026-14672.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56108 · Revision 1
- Added to Heist Feed
- Publisher date