Skip to content
CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-43542

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91

Description

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Thunderbird

  • unspecified to < 91.4.0affected

Mozilla Firefox ESR

  • unspecified to < 91.4.0affected

Mozilla Firefox

  • unspecified to < 95affected

References