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              "value": "\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cb\u003eWARNING:\u003c/b\u003e\u003cbr\u003e\u003cbr\u003e\u003c/span\u003e\u003cspan style=\"background-color: rgb(239, 250, 102);\"\u003eUsers of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases.\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003cbr\u003eSee the\u0026nbsp; following for more details:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt\"\u003ehttps://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt\u003c/a\u003e\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.cve.org/CVERecord?id=CVE-2026-40046\"\u003ehttps://www.cve.org/CVERecord?id=CVE-2026-40046\u003c/a\u003e\u003cbr\u003e\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c/span\u003e\u003c/p\u003e\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cb\u003eOriginal Report:\u003c/b\u003e\u003c/span\u003e\u003c/p\u003e\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eApache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets.\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eWhen this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT control packets which makes\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;the broker susceptible to unexpected behavior when interacting with non-compliant clients.\u003c/span\u003e\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThis behavior violates the MQTT v3.1.1 specification, which restricts Remaining Length to a maximum of 4 bytes.\u003c/span\u003e\u0026nbsp;The scenario occurs on established connections after the authentication process. Brokers that are not enabling mqtt transport connectors are not impacted.\u003c/p\u003e\u003cp\u003eThis issue affects Apache ActiveMQ: before 5.19.2, 6.0.0 to 6.1.8, and 6.2.0\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 5.19.2, 6.1.9, or 6.2.1, which fixes the issue.\u003c/p\u003e"
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    "dateReserved": "2025-11-21T20:44:42.659Z",
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