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There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument…

严重 CVSS 9.8
CVECVE-2021-3520
首次发现2026-10-14 12:16 UTC
披露时间2021-06-02 13:15 UTC
最后更新2026-10-14 12:16 UTC
通道状态auto

摘要

There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

受影响产品

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数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD