CVE-2023-26021
📛 CVE Title
IBM Db2 denial of service
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to a denial of service as the server may crash when compiling a specially crafted SQL query using a LIMIT clause. IBM X-Force ID: 247864.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- ibm
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-20 - Reserved
- 2023-02-17
- Published
- 2023-04-28 20:23 UTC
- Last updated
- 2025-02-13 17:44 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/26xxx/CVE-2023-26021.json
- Linked Threat
- CVE-2023-26021 — IBM Db2 denial of service
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2023-29908 - Assigner
- ibm
- Published
- Apr 28, 2023, 6:23:40 PM
- Updated
- Feb 13, 2025, 4:44:41 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EUVD-reported EPSS
- 0.1300
- Vendors
- IBM
- Products
-
Db2 for Linux, UNIX and Windows (11.1, 11.5)Db2 for Linux, UNIX and Windows (11.1, 11.5)
- Aliases
-
GHSA-4433-37fm-3jq5
ENISA description: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to a denial of service as the server may crash when compiling a specially crafted SQL query using a LIMIT clause. IBM X-Force ID: 247864.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| IBM | DB2 for Linux, UNIX and Windows |
11.1, 11.5 (affected)
|
— |
Vendor references (3)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
Remediations (17)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blackswan-cybersecurity.com
Cloud Files API activity originating outside legitimate OneDrive/sync processes. Mitigation Steps: Apply all Windows updates immediately (monitor MSRC for an emergency RedSun-specific patch . None released as of April 17, 2026). Supplement Defender with a secondary EDR solution (e.g., Huntress) capable of detecting Defender bypasses.
2026-06-08 13:44 UTC -
web:cybersecuritynews.com
Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.
2026-06-08 13:44 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-06-08 13:44 UTC -
web:securityboulevard.com
Organizations must decide how to tackle vulnerabilities—through remediation , mitigation , or a combination of both. But which strategy is more effective? This blog explores the nuances of vulnerability remediation vs mitigation , their respective benefits, and how to choose the right approach.
2026-06-08 13:44 UTC -
web:www.csoonline.com
Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...
2026-06-08 13:44 UTC -
web:www.secure.com
Remediation fully removes a vulnerability by fixing its root cause — through a patch , code fix , or system replacement. Mitigation reduces the risk of exploitation without removing the flaw itself, using controls like network segmentation or access restrictions.
2026-06-08 13:44 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-08 13:44 UTC -
web:www.techrepublic.com
Microsoft's April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company's largest monthly security updates.
2026-05-22 06:05 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.
2026-05-22 06:05 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-05-22 06:05 UTC -
web:www.securityweek.com
Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.
2026-05-22 06:05 UTC -
web:blog.qualys.com
Microsoft's February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here's a quick breakdown of what you need to know. Microsoft Patch Tuesday for February 2026 This month's release addresses 61 vulnerabilities, including five critical and 52 important-severity vulnerabilities. In ...
2026-05-22 06:05 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-22 06:05 UTC -
web:cybersecuritynews.com
Microsoft released an out-of-band hotpatch update on March 13, 2026, addressing serious security vulnerabilities in Windows 11 versions 24H2 and 25H2.
2026-05-22 06:05 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-22 06:05 UTC -
web:www.pcworld.com
This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.
2026-05-22 06:05 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 06:05 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2023-26021.json.
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