cbcvebase.
CVE-2019-17543
published 2019-10-14

CVE-2019-17543: LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a…

PriorityP352high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
9.12%
94.7th percentile
LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."

Affected

6 ranges
VendorProductVersion rangeFixed in
debianlz4< lz4 1.9.2-1 (bookworm)lz4 1.9.2-1 (bookworm)
lz4_projectlz4< 1.9.21.9.2
lz4_projectlz4>= 0 < 1.9.2-11.9.2-1
lz4_projectlz4>= 0 < 1.9.2-11.9.2-1
lz4_projectlz4>= 0 < 1.9.2-11.9.2-1
lz4_projectlz4>= 0 < 1.9.2-11.9.2-1

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.1HIGH
vendor_debian8.1LOW
vendor_redhat8.1HIGH
vendor_oracle7.5HIGH
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