cve-2026-54291
csaf_suse
Description
SUSE CVE-2026-54291
Timeline
- Published
- 2026-07-07 15:13 UTC
- Last Modified
- 2026-07-07
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
{
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"text": "Copyright 2024 SUSE LLC. All rights reserved.",
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"text": "pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to guarantee. An attacker who can intercept the TLS connection can trigger the downgrade with a certificate whose signature algorithm has no tls-server-end-point channel-binding hash, because the bundled com.ongres.scram:scram-client returns an empty byte array instead of failing and pgJDBC ScramAuthenticator checks only that the server advertised a PLUS mechanism, without rejecting the empty binding or checking that the negotiated mechanism uses channel binding. This issue is fixed in version 42.7.12.",
"title": "Description of the CVE"
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"url": "https://www.suse.com/support/security/rating/"
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"summary": "SUSE Bug 1270405 for CVE-2026-54291",
"url": "https://bugzilla.suse.com/1270405"
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"vulnerabilities": [
{
"cve": "CVE-2026-54291",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-54291"
}
],
"notes": [
{
"category": "general",
"text": "pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to guarantee. An attacker who can intercept the TLS connection can trigger the downgrade with a certificate whose signature algorithm has no tls-server-end-point channel-binding hash, because the bundled com.ongres.scram:scram-client returns an empty byte array instead of failing and pgJDBC ScramAuthenticator checks only that the server advertised a PLUS mechanism, without rejecting the empty binding or checking that the negotiated mechanism uses channel binding. This issue is fixed in version 42.7.12.",
"title": "CVE description"
}
],
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"SUSE Linux Enterprise Server 12 SP5-LTSS:postgresql-jdbc",
"SUSE Linux Enterprise Server 12 SP5:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP3-LTSS:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP3:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP4-LTSS:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP4:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP5-LTSS:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP5:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP6-LTSS:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP6:postgresql-jdbc",
"SUSE Linux Enterprise Server 15 SP7:postgresql-jdbc",
"SUSE Linux Enterprise Server Teradata 12 SP3:postgresql-jdbc",
"SUSE Linux Enterprise Server Teradata 15 SP4:postgresql-jdbc",
"SUSE Linux Enterprise Server for SAP Applications 15 SP4:postgresql-jdbc",
"SUSE Linux Enterprise Server for SAP Applications 15 SP5:postgresql-jdbc",
"SUSE Linux Enterprise Server for SAP Applications 15 SP6:postgresql-jdbc",
"SUSE Linux Enterprise Server for SAP Applications 15 SP7:postgresql-jdbc"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-54291",
"url": "https://www.suse.com/security/cve/CVE-2026-54291"
},
{
"category": "external",
"summary": "SUSE Security Ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "external",
"summary": "SUSE Bug 1270405 for CVE-2026-54291",
"url": "https://bugzilla.suse.com/1270405"
}
],
"threats": [
{
"category": "impact",
"date": "2026-07-06T20:05:14Z",
"details": "moderate"
}
],
"title": "CVE-2026-54291"
}
]
}