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    "cveMetadata": {
        "cveId": "CVE-2026-111496",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-10-16T09:55:02.432Z",
        "datePublished": "2026-10-28T16:45:08.114Z",
        "dateUpdated": "2026-11-05T19:19:35.662Z"
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                "shortName": "apache",
                "dateUpdated": "2026-10-28T16:45:08.114Z"
            },
            "title": "Apache Kafka: Kafka Streams StreamThread hang from integer overflow in stream-time punctuation",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "CWE-190 Integer overflow or wraparound",
                            "lang": "en",
                            "cweId": "CWE-190",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "description": "CWE-835 Loop with unreachable exit condition ('infinite loop')",
                            "lang": "en",
                            "cweId": "CWE-835",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Kafka",
                    "packageURL": "pkg:maven/org.apache.kafka/kafka-streams",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.1.0",
                            "lessThanOrEqual": "4.1.2",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.2.0",
                            "lessThanOrEqual": "4.2.1",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.3.0",
                            "lessThanOrEqual": "4.3.1",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.kafka:kafka-streams"
                }
            ],
            "descriptions": [
                {
                    "value": "Kafka Streams derives its stream-time clock from record timestamps. PunctuationSchedule.next() computed the next punctuation time as timestamp + (intervalsMissed + 1) * interval with no overflow check. A record with a timestamp at or near Long.MAX_VALUE advances stream time to that value, so the next stream-time punctuation overflows to a negative time. PunctuationQueue then re-queues that time and loops on it indefinitely while holding a lock, stalling the StreamThread.\n\n\nImpact:\n\nA single record is enough. The affected StreamThread stops processing, and because the record stays in the topic the hang returns on restart; an application whose partitions are all affected becomes unresponsive. Only the Streams application is affected, not the brokers or the cluster. Triggering it needs write access to a source topic whose topology uses stream-time punctuation, and a broker that stores the record: brokers from Apache Kafka 4.0.0 reject such a timestamp by default (log.message.timestamp.after.max.ms, one hour), so it is reachable only on older brokers or where that bound has been relaxed.\n\n\nMitigation:\n\nUpgrade Kafka Streams to 4.2.2, 4.3.2, or 4.4.0. As defense in depth, keep log.message.timestamp.after.max.ms bounded on source topics and restrict write access to them.\n\n\nResolution:\n\nFrom Apache Kafka 4.2.2, 4.3.2, and 4.4.0: the next punctuation time is computed with overflow-checked arithmetic (clamped to Long.MAX_VALUE), and a rescheduled punctuation is re-queued only when its time moves forward.",
                    "lang": "en",
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                            "value": "<div>Kafka Streams derives its stream-time clock from record timestamps. PunctuationSchedule.next()&nbsp;<span>computed the next punctuation time as timestamp + (intervalsMissed + 1) * interval with no&nbsp;</span><span>overflow check. A record with a timestamp at or near Long.MAX_VALUE advances stream time to that&nbsp;</span><span>value, so the next stream-time punctuation overflows to a negative time. PunctuationQueue then&nbsp;</span><span>re-queues that time and loops on it indefinitely while holding a lock, stalling the StreamThread.</span></div><br><div>Impact:</div><div>A single record is enough. The affected StreamThread stops processing, and because the record&nbsp;<span>stays in the topic the hang returns on restart; an application whose partitions are all affected&nbsp;</span><span>becomes unresponsive. Only the Streams application is affected, not the brokers or the cluster.&nbsp;</span><span>Triggering it needs write access to a source topic whose topology uses stream-time punctuation,&nbsp;</span><span>and a broker that stores the record: brokers from Apache Kafka 4.0.0 reject such a timestamp by&nbsp;</span><span>default (log.message.timestamp.after.max.ms, one hour), so it is reachable only on older brokers&nbsp;</span><span>or where that bound has been relaxed.</span></div><br><div>Mitigation:</div><div>Upgrade Kafka Streams to 4.2.2, 4.3.2, or 4.4.0. As defense in depth, keep&nbsp;<span>log.message.timestamp.after.max.ms bounded on source topics and restrict write access to them.</span></div><br><div>Resolution:</div><div>From Apache Kafka 4.2.2, 4.3.2, and 4.4.0: the next punctuation time is computed with&nbsp;<span>overflow-checked arithmetic (clamped to Long.MAX_VALUE), and a rescheduled punctuation is&nbsp;</span><span>re-queued only when its time moves forward.</span></div>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://kafka.apache.org/cve-list",
                    "tags": [
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            "metrics": [
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                        "content": {
                            "text": "low"
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                            "value": "GENERAL"
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            "credits": [
                {
                    "lang": "en",
                    "value": "Mike Read (GitHub: Michael-JRead)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "Matthias J. Sax <matthias@confluent.io>",
                    "type": "remediation developer"
                }
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        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/10/28/14"
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                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.1,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-11-05T19:19:30.610539Z",
                                "id": "CVE-2026-111496",
                                "options": [
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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