Ce mail provient de l'extérieur, restons vigilants ===================================================================== CERT-Renater Note d'Information No. 2026/VULN693 _____________________________________________________________________ DATE : 30/06/2026 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running IBM® Db2® Server. ===================================================================== https://www.ibm.com/support/pages/node/7277424 https://www.ibm.com/support/pages/security-bulletin-ibm%C2%AE-db2%C2%AE-could-disclose-sensitive-information-authenticated-user-monitoring-and-event-tables-cve-2025-36372 https://www.ibm.com/support/pages/node/7277423 _____________________________________________________________________ Security Bulletin: IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling (CVE-2026-10109) Security Bulletin Summary IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling. Vulnerability Details CVEID: CVE-2026-10109 DESCRIPTION: IBM Db2 is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling. CWE: CWE-94: Improper Control of Generation of Code ('Code Injection') CVSS Source: IBM CVSS Base score: 9.8 CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions Affected Product(s) Version(s) Applicable Editions IBM® Db2® 11.5.0 - 11.5.9 Server IBM® Db2® 12.1.0 - 12.1.4 Server All platforms are affected. Remediation/Fixes Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release:V11.5.9, and V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V11.5 TBD DT471718 Special Build #84653 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189 V12.1 TBD DT471718 Special Build #86230 or later for V12.1.4 available at this link: https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability. Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Published Security Vulnerabilities for DB2 for Linux, UNIX, and Windows including Special Build information Acknowledgement Change History 23 Jun 2026: Initial Publication *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions. _____________________________________________________________________ Security Bulletin: IBM® Db2® could disclose sensitive information to n authenticated user from the monitoring and event tables (CVE-2025-36372) Security Bulletin Summary IBM® Db2® could disclose sensitive information to an authenticated user from the monitoring and event tables. (CVE-2025-36372) Vulnerability Details CVEID: CVE-2025-36372 DESCRIPTION: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could disclose sensitive information to an authenticated user from the monitoring and event tables. CWE: CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory CVSS Source: IBM CVSS Base score: 5.5 CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) Affected Products and Versions Affected Product(s) Version(s) Applicable Editions IBM® Db2® 11.5.0 - 11.5.9 Server IBM® Db2® 12.1.0 - 12.1.4 Server All platforms are affected. Remediation/Fixes Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9, and V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V11.5 TBD DT452582 Special Build #84653 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189 V12.1 TBD DT452582 Special Build #86230 or later for V12.1.4 available at this link: https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability. Workarounds and Mitigations Use DB2REMOTE alias. (DB2REMOTE is supported with LBAR only on 12.1 releases) Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Published Security Vulnerabilities for DB2 for Linux, UNIX, and Windows including Special Build information Acknowledgement Change History 25 June 2026: Updated Affected Products and Version to specify all platforms impact 23 June 2026: Initial Publication *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions. _____________________________________________________________________ Security Bulletin: IBM® Db2® federated server is vulnerable to a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns by autheticated user (CVE-2026-11906) Security Bulletin Summary IBM® Db2® federated server is vulnerable to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns by a authenticated user. Vulnerability Details CVEID: CVE-2026-11906 DESCRIPTION: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns. CWE: CWE-1284: Improper Validation of Specified Quantity in Input CVSS Source: IBM CVSS Base score: 6.5 CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions Affected Product(s) Version(s) Applicable Editions IBM® Db2® 11.5.0 - 11.5.9 Server IBM® Db2® 12.1.0 - 12.1.4 Server All platforms are affected. Remediation/Fixes Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release:V11.5.9, and V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V11.5 TBD DT466352 Special Build #84653 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189 V12.1 TBD DT466352 Special Build #86230 or later for V12.1.4 available at this link: https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability. Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Published Security Vulnerabilities for DB2 for Linux, UNIX, and Windows including Special Build information Acknowledgement Change History 23 Jun 2026: Initial Publication *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions. ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================