CVE-2019-17543 is a heap-based buffer overflow vulnerability in LZ4 before version 1.9.2, specifically within the LZ4_write32 function, impacting applications that use LZ4_compress_fast with large inputs. This vulnerability carries a high CVSS score of 8.1, indicating a severe risk with potential for high impact on confidentiality, integrity, and availability, though it requires high attack complexity. While the vendor notes it affects only specific API usages, successful exploitation could lead to data corruption. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.9.2CPE matchmatch criteria | cpe:2.3:a:lz4_project:lz4:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.