{"cve":"CVE-2023-48298","nvd":{"published":"2023-12-21T23:15:09.047","modified":"2026-06-17T06:33:57.247","status":"Modified","description":"ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time. This vulnerability is an integer underflow resulting in crash due to stack buffer overflow in decompression of FPC codec. It can be triggered and exploited by an unauthenticated attacker. The vulnerability is very similar to CVE-2023-47118 with how the vulnerable function can be exploited.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-191"],"references":["https://github.com/ClickHouse/ClickHouse/pull/56795","https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-qw9f-qv29-8938","https://github.com/ClickHouse/ClickHouse/pull/56795","https://github.com/ClickHouse/ClickHouse/security/advisories/GHSA-qw9f-qv29-8938"],"products":["clickhouse:clickhouse","clickhouse:clickhouse_cloud"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-48298","score":0.00634,"percentile":0.50389,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}