{"id":"CVE-2026-88409","published":"2026-09-21T21:17:15.120","lastModified":"2026-09-21T21:17:15.120","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":[],"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 _Decode_GrB_Matrix function in FalkorDB's Redis module allows buffer overflow when processing crafted inputs, leading to potential Denial of Service (DoS).","exploitability":"Exploitation requires attackers to provide specific crafted input; moderate effort needed.","blast_radius":"If exploited, this could disrupt services relying on the affected version of FalkorDB, causing downtime.","remediation":"Upgrade FalkorDB to a non-vulnerable version immediately.","tags":["dos","buffer-overflow","redis"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-22T06:06:05.417Z"}}