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CVE-2021-43541

CVE-2021-43541

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.6%
exploitation probability
1.6%top 26% of all CVEs
observed exploitation
nono source reports it
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.