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CVE-2021-42387

yandex / clickhouse PUBLISHED

Description (CNA)

Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl() loop, a 16-bit unsigned user-supplied value ('offset') is read from the compressed data. The offset is later used in the length of a copy operation, without checking the upper bounds of the source of the copy operation.

Affected (CNA)

Vendor / productVersions
yandex / clickhouseaffected unspecified before 21.10.2.15-stable

CWE

CWE-125

References

ADP enrichment

CVE

No English description supplied.