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{"bugzilla": {"description": "mysql: InnoDB unspecified vulnerability (CPU Apr 2026)", "id": "2460325", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460325"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server."], "name": "CVE-2026-35236", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mysql8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mysql:8.0/mysql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mysql:8.4/mysql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mysql:8.4/mysql", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-35236\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-35236\nhttps://www.oracle.com/security-alerts/cpuapr2026.html\nhttps://www.oracle.com/security-alerts/cpuapr2026.html#AppendixMSQL"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Oracle MySQL Critical Patch Update.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.45]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.8]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.6.0]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "MySQL Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "mysql_server", "vendor": "oracle"}], "analysis": {"en": {"generated_at": "2026-04-29T00:20:34.931059+00:00", "value": {"mitigation_remediation": ["Upgrade MySQL Server to a non\u2011affected release \u2013 for example 8.0.46 or later, 8.4.9 or later, or 9.6.1 or later \u2013 to eliminate the bug.", "Restrict network access to the MySQL port and enforce least privilege on database accounts to limit the possibility of a high\u2011privileged attacker reaching the server.", "Monitor MySQL error logs and service uptime for signs of unexpected hangs or crashes as an early indicator of attempted exploitation."], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Oracle MySQL Server versions that include the InnoDB component are impacted. The affected range is 8.0.0 through 8.0.45, 8.4.0 through 8.4.8, and 9.0.0 through 9.6.0. Users should verify that their installations fall within these intervals.", "description_and_impact": "The flaw occurs in the InnoDB storage engine of Oracle MySQL Server and is a combination of broken access control (CWE-284) and an out\u2011of\u2011bounds write (CWE-770). A high\u2011privileged attacker who can reach the database over the network can trigger a hang or a repeatable crash. Successful exploitation stops the MySQL service entirely, forcing a manual restart or reboot and denying all legitimate database operations.", "risk_and_exploitability": "The CVSS v3.1 base score of 4.9 indicates a moderate availability impact. The EPSS score is 0.0004, reflecting a very low probability of exploitation, and the vulnerability is not listed in CISA KEV, so no widespread exploitation is currently documented. The attack vector is inferred to be network\u2011based; a MySQL instance reachable over any supported protocol provides the opportunity required. Although the attacker must have high privileges, the ease of exploitation is described as high, meaning that once the attacker has sufficient access, the crash can be reliably triggered. Overall, the risk is moderate but significant for services that rely on continuous database availability."}}}}, "created": "2026-04-22T03:00:06.528745+00:00", "updated": "2026-04-29T00:30:16.121185+00:00", "vendors": ["oracle", "oracle$PRODUCT$mysql_server"]}