{"id":"CVE-2026-88409","published":"2026-09-21T21:17:15.120","lastModified":"2026-09-22T20:00:03.713","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a buffer overflow in the _Decode_GrB_Matrix function (/v19/decode_matrix.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-120"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FalkorDB/FalkorDB/issues/2399","tags":[]}],"exploitRefs":[{"url":"https://github.com/FalkorDB/FalkorDB/issues/2399","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw in FalkorDB (Redis module) v4.20.1 to v4.20.4 involves a buffer overflow in the _Decode_GrB_Matrix function, allowing attackers to cause a Denial of Service (DoS) via crafted input. This vulnerability is significant because it can lead to service disruption without requiring user interaction.","exploitability":"Exploiting this vulnerability is relatively straightforward as it requires a crafted input, but the attacker must have the ability to send such input to the affected version of FalkorDB.","blast_radius":"If exploited, this vulnerability could result in a Denial of Service (DoS) for services relying on the affected version of FalkorDB, potentially impacting availability and user experience.","remediation":"Upgrade to FalkorDB v4.20.5 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["dos","buffer-overflow","redis"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-29T09:15:35.885Z"}}