CVE-2019-17543
8.1
HIGH
CVSS 3.1
EPSS 1.6%
Description
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."
How to fix CVE-2019-17543
To remediate CVE-2019-17543, upgrade the affected package to a fixed version below.
- Alpine/lz4—upgrade to 1.9.1-r1 or later
- —upgrade to 1.9.2-1 or later
Is CVE-2019-17543 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.9.1-r1
- from 0, < 1.9.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |