CVE-2019-11763
6.1
MEDIUM
CVSS 3.1
EPSS 0.80%
描述
Failure to correctly handle null bytes when processing HTML entities resulted in Firefox incorrectly parsing these entities. This could have led to HTML comment text being treated as HTML which could have led to XSS in a web application under certain conditions. It could have also led to HTML entities being masked from filters - enabling the use of entities to mask the actual characters of interest from filters. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
如何修補 CVE-2019-11763
要修補 CVE-2019-11763,請將受影響套件升級到下列已修補版本。
- —升級至 68.2.0esr-1 或更新版本
- —升級至 1:68.2.1-1 或更新版本
CVE-2019-11763 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 68.2.0esr-1
- from 0, < 1:68.2.1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |