CVE-2019-9793
5.9
MEDIUM
CVSS 3.1
EPSS 0.40%
描述
A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. *Note: Spectre mitigations are currently enabled for all users by default settings.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
如何修補 CVE-2019-9793
要修補 CVE-2019-9793,請將受影響套件升級到下列已修補版本。
- —升級至 60.6.0esr-1 或更新版本
- —升級至 1:60.6.1-1 或更新版本
CVE-2019-9793 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 60.6.0esr-1
- from 0, < 1:60.6.1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |