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CVE-2019-17543

8.1 high SSVC exploitation: none Modified
NVD · CVE.org

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."

Fix

Patch, vendor advisory and mitigation references on NVD 4

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.1 · lz4_projectNVD modified 2026-10-14 07:16

Affected (CPE criteria) 1

  • cpe:2.3:a:lz4_project:lz4:*:*:*:*:*:*:*:*

References 39