CVE-2021-3520

描述

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.

如何修補 CVE-2021-3520

要修補 CVE-2021-3520,請將受影響套件升級到下列已修補版本。

• —升級至 1.9.2-r1 或更新版本

CVE-2021-3520 正在被利用嗎?

低 — EPSS 為 3.2%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 1.8.3, < 1.9.2-r1

CVSS 分數

參考連結(1)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2021-3520