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CVE-2026-6052 (GCVE-0-2026-6052)

Vulnerability from cvelistv5 – Published: 2026-05-27 13:09 – Updated: 2026-05-27 15:22
VLAI
Title
IBM® Db2® is vulnerable to running out of memory when executing certain queries with MDC tables
Summary
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to running out of memory when executing certain queries with MDC tables.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-27 15:21 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
URL Tags
https://www.ibm.com/support/pages/node/7273557 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM Db2 Affected: 11.5.0 , ≤ 11.5.9 (semver)
Affected: 12.1.0 , ≤ 12.1.4 (semver)
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:12.1.4:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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                  "value": "\u003cp\u003eCustomers 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.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eRelease\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eFixed in mod pack\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eAPAR\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eDownload URL\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eV11.5\u003c/td\u003e\u003ctd\u003eTBD\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000BcEr/dt465726\" rel=\"nofollow\"\u003eDT465726\u003c/a\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #81937 or later for V11.5.9 available at this link:\u003cbr\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7087189\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7087189\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003eV12.1\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eTBD\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ000000BcEr/dt465726\" rel=\"nofollow\"\u003eDT465726\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #83501 or later for V12.1.4 available at this link:\u003cbr\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7267513\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7267513\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eIBM 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.\u003c/p\u003e"
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            }
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          "title": "IBM\u00ae Db2\u00ae is vulnerable to running out of memory when executing certain queries with MDC tables",
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        "assignerShortName": "ibm",
        "cveId": "CVE-2026-6052",
        "datePublished": "2026-05-27T13:09:29.770Z",
        "dateReserved": "2026-04-09T22:08:53.174Z",
        "dateUpdated": "2026-05-27T15:22:19.791Z",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.