Alpine/firefox-esr: critical 10
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Action: Upgrade firefox-esr to 91.5.0-r0 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 91.5.0-r0 | - |
Fixed versions
| 91.5.0-r0 |
Sources
- osv: ALPINE-CVE-2021-4140#Alpine:v3.15/firefox-esr
- https://security.alpinelinux.org/vuln/CVE-2021-4140
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