CVE-2026-2005

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[18,18.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17,17.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[16,16.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[15,15.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.21)"}}], "product": "postgresql", "vendor": "postgresql"}], "analysis": {"en": {"generated_at": "2026-04-17T20:05:15.915106+00:00", "value": {"mitigation_remediation": ["Upgrade PostgreSQL to version 18.2 or newer, 17.8 or newer, 16.12 or newer, 15.16 or newer, or 14.21 or newer to remove the vulnerability.", "If an upgrade cannot be performed immediately, disable the pgcrypto extension or revoke its usage privileges to prevent the overflow from being triggered.", "Limit database roles so that only trusted users can invoke pgcrypto functions, reducing the window of opportunity for an attacker."], "summary": {"action": "Immediate Patch", "impact": "Arbitrary code execution"}, "threat_synthesis": {"affected_systems": "PostgreSQL versions earlier than 18.2, 17.8, 16.12, 15.16, and 14.21 are affected; affected installations must upgrade to the corresponding release or newer.", "description_and_impact": "A heap buffer overflow in the PostgreSQL pgcrypto extension permits an attacker who can supply ciphertext to the database to execute arbitrary code as the operating system user running PostgreSQL.", "risk_and_exploitability": "The likely attack vector is the delivery of specially crafted ciphertext to pgcrypto, which triggers the overflow; an attacker needs database access to send such data. The flaw carries a CVSS score of 8.8, indicating high severity, while the EPSS score of <1% suggests a relatively low current exploitation probability. The vulnerability is not listed in the CISA KEV catalog, but successful exploitation would allow code execution with the privileges of the database process."}}}}, "created": "2026-02-13T21:35:39.375405+00:00", "updated": "2026-04-17T20:15:26.994335+00:00", "vendors": ["postgresql", "postgresql$PRODUCT$postgresql"]}