{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67588", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-29T20:10:04.188Z", "datePublished": "2026-08-05T05:21:44.240Z", "dateUpdated": "2026-08-05T06:58:12.907Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.qpid:protonj2", "product": "Apache Qpid ProtonJ2", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "1.1.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div>A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.</div><div>This issue affects Apache Qpid ProtonJ2: through 1.1.0.</div><div>Users are recommended to upgrade to version 1.2.0, which fixes the issue.</div>"}], "value": "A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-05T05:21:44.240Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/08/04/27"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-05T06:58:12.907Z"}}]}}

{}

{}

{"bugzilla": {"description": "org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Service via unbounded symbol value caching", "id": "2511324", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511324"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Apache Qpid ProtonJ2. A remote, unauthenticated attacker could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, causing a denial of service (DoS) for legitimate users."], "name": "CVE-2026-67588", "package_state": [{"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "protonj2", "product_name": "Red Hat AMQ Clients"}], "public_date": "2026-08-05T05:21:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67588\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67588\nhttps://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.1.0]"}}], "enrichment": {"confidence": 81.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 81.0, "source": "matching"}]}, "original": {"product": "Apache Qpid ProtonJ2", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "qpid_proton-j", "vendor": "apache"}], "created": "2026-08-05T07:00:10.222761+00:00", "updated": "2026-08-05T09:30:11.496289+00:00", "vendors": ["apache", "apache$PRODUCT$qpid_proton-j"]}