CVE-2026-67588

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{"affected": [{"affectedData": [{"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"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:qpid_protonj2:*:*:*:*:*:*:*:*", "matchCriteriaId": "173436F7-EF9E-4942-AB4A-966BCDCBD769", "versionEndExcluding": "1.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "Un atacante de pre-autenticaci\u00f3n podr\u00eda aprovechar el almacenamiento en cach\u00e9 de valores de s\u00edmbolos ilimitados para causar el agotamiento de recursos, lo que lleva a una denegaci\u00f3n de servicio.\n\nEste problema afecta a Apache Qpid ProtonJ2: hasta la versi\u00f3n 1.1.0.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 1.2.0, que corrige el problema."}], "id": "CVE-2026-67588", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-67588", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-06T13:36:53.799144Z", "version": "2.0.3"}}]}, "published": "2026-08-05T06:16:39.450", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/08/04/27"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security@apache.org", "type": "Secondary"}]}

{"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"}

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