Debian/firefox-esr: medium 6.1
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird
Action: Upgrade firefox-esr to 78.5.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 78.5.0esr-1 | - |
Fixed versions
| 78.5.0esr-1 |
Sources
- osv: DEBIAN-CVE-2020-26956#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2020-26956
published · modified · JSON