NetSight
medium6.5

CVE-2021-43541

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped.

Impact

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Affected products

VendorProductAffected versions
MozillaFirefox
before 95.0
MozillaFirefox Esr
before 91.4.0
MozillaThunderbird
before 91.4.0
DebianDebian Linux
Versions 9.0, 10.0, 11.0

References