DEBIAN-CVE-2021-43304
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-43304
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43304.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-43304
- Upstream
- Published
- 2022-03-14T23:15:08Z
- Modified
- 2025-09-30T05:16:28.423702Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy<copy_amount>(op, ip, copy_end), don’t exceed the destination buffer’s limits.
- References
Affected packages
Debian:11 / clickhouse
Package
- Name
- clickhouse
- Purl
- pkg:deb/debian/clickhouse?arch=source
Debian:12 / clickhouse
Package
- Name
- clickhouse
- Purl
- pkg:deb/debian/clickhouse?arch=source