CVE-2025-36009 (GCVE-0-2025-36009)

Vulnerability from cvelistv5 – Published: 2026-01-30 21:28 – Updated: 2026-01-30 21:41
VLAI?
Title
IBM Db2 Denial of Service
Summary
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow an unauthenticated user to cause a denial of service due to excessive use of a global variable.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Db2 for Linux, UNIX and Windows Affected: 11.5.0 , ≤ 11.5.9 (semver)
Affected: 12.1.0 , ≤ 12.1.3 (semver)
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:unix:*:*
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:windows:*:*
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:zos:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:windows:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:zos:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:windows:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:zos:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:linux:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:unix:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:aix:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:windows:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:zos:*:*
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            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*",
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            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:zos:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*",
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            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:zos:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:linux:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:aix:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:windows:*:*",
            "cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:zos:*:*"
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              "value": "\u003cp\u003eCustomers running any vulnerable modpack 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,V12.1.2 and V12.1.3. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\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\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/mysupport/s/defect/aCIKe000000brld/dt436178\"\u003eDT436178\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #66394 or later for V11.5.9 available at this link:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/node/7087189\"\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\u0026nbsp;\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eTBD\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/mysupport/s/defect/aCIKe000000brld/dt436178\"\u003eDT436178\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #72296 or later for V12.1.2 available at this link:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads\"\u003ehttps://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads\u003c/a\u003e\u003cbr\u003e\u003cbr\u003eSpecial Build #71609 or later for V12.1.3 available at this link:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads\"\u003ehttps://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cbr\u003e"
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    "cveId": "CVE-2025-36009",
    "datePublished": "2026-01-30T21:28:12.081Z",
    "dateReserved": "2025-04-15T21:16:05.533Z",
    "dateUpdated": "2026-01-30T21:41:42.479Z",
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Sightings

Author Source Type Date

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.