{"id":"CVE-2024-41433","aliases":["EUVD-2024-39038","GHSA-89wc-q5f7-75f4"],"status":"disputed","title":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression...","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00569,"percentile":0.47567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-09-03T00:00:00Z","modified":"2026-10-28T02:30:41Z","products":[{"vendor":"pingcap","product":"tidb"}],"references":[{"url":"https://github.com/pingcap/tidb/issues/53796","tags":["Exploit","Issue Tracking","report"]},{"url":"https://gist.github.com/ycybfhb/eec3a1eefe4c85eb22f1bca6114359a1","tags":["Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41433","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-89wc-q5f7-75f4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41433.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-41433","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.","status":"disputed","published":"2024-09-03T00:00:00Z","modified":"2024-10-01T20:26:40.576Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:34:04.00829Z"}],"euvd":[{"id":"EUVD-2024-39038","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.","status":"published","published":"2024-09-03T00:00:00Z","modified":"2024-10-01T20:26:40Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:27:59.473662Z"}],"ghsa":[{"id":"GHSA-89wc-q5f7-75f4","title":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression...","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2024-09-03T21:31:12Z","modified":"2024-09-04T00:31:15Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:58:09.756821Z"}],"nvd":[{"id":"CVE-2024-41433","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.","status":"disputed","published":"2024-09-03T21:15:16.05Z","modified":"2026-06-17T07:47:41.937Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:10:24.514378Z"}],"osv":[{"id":"CVE-2024-41433","description":"PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.","status":"published","published":"2024-09-03T00:00:00Z","modified":"2026-10-28T02:30:41.05848511Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:41.963899Z"}]}}