CVE-2026-92867

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{"bugzilla": {"description": "pgpool-II: Pgpool-II: arbitrary code execution via out-of-bounds write", "id": "2543818", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543818"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["An out-of-bounds write vulnerability exists in Pgpool-II , which may allow an authenticated attacker to cause abnormal process termination or arbitrary code execution.", "A flaw was found in Pgpool-II. An out-of-bounds write vulnerability allows an authenticated remote attacker to corrupt memory. This issue may enable the attacker to achieve arbitrary code execution or trigger an abnormal process crash, resulting in a denial of service (DoS)."], "mitigation": {"lang": "en:us", "value": "Disable the Pgpool-II service if it is not required in your environment:\n1. Stop and disable the service:\n# systemctl stop pgpool\n# systemctl disable pgpool\nAlternatively, if the service must remain operational, restrict network access to trusted database clients using firewalld:\n2. Allow access only from trusted IP addresses or subnets:\n# firewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"<trusted_ip_or_subnet>\" port port=\"9999\" protocol=\"tcp\" accept'\n3. Ensure general access to the service port is removed:\n# firewall-cmd --permanent --remove-port=9999/tcp\n4. Apply the changes:\n# firewall-cmd --reload\nCaveats: Stopping the service disables PostgreSQL connection pooling and load balancing capabilities. Restricting network access with firewall rules will block any legitimate clients connecting from unlisted IP addresses.\nWarning: Stopping the pgpool service or reloading firewall configurations will disconnect existing client database connections and disrupt service availability until clients reconnect."}, "name": "CVE-2026-92867", "public_date": "2026-09-30T07:20:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-92867\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-92867\nhttps://jvn.jp/en/jp/JVN22475874/\nhttps://pgpool.net/news/2026-09-29/"], "statement": "This vulnerability is rated as Important severity because an authenticated remote attacker can exploit memory corruption in the Pgpool-II daemon to execute arbitrary code or trigger an abnormal process crash. Exploitation requires established authentication credentials against the pooler, which limits exposure by preventing unauthenticated remote attacks. Pgpool-II is not shipped in supported Red Hat Enterprise Linux releases, restricting the impact primarily to community environments such as Fedora.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.7.0,4.7.2]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.6.0,4.6.7]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.5.0,4.5.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.4.0,4.4.17]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.3.0,4.3.20]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[3.5.x,4.2.x]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Pgpool-II", "source": "cna", "vendor": "Pgpool Global Development Group"}, "product": "pgpool-ii", "vendor": "pgpool_global_development_group"}], "created": "2026-09-30T12:15:17.728521+00:00", "title": "Out-of-Bounds Write Vulnerability Allowing Code Execution in Pgpool-II", "updated": "2026-09-30T20:34:13.361284+00:00", "vendors": ["pgpool_global_development_group", "pgpool_global_development_group$PRODUCT$pgpool-ii"]}