• CVE-2021-45960

发布时间: 2023年7月28日

修改时间: 2024年2月26日

概要

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

CVSS v3 指标

NVD openEuler
CVSS评分 8.8 8.8
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality High High
Integrity High High
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2023-1557 In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). 2023年7月28日

影响产品

产品 状态
KY3.4-4A firefox Fixed
KY3.4-5 firefox Fixed
KY3.5.1 firefox Unaffected
KY3.5.2 firefox Unaffected