The vulnerability of the nsDirIndexParser::ParseFormat method (netwerk\streamconv\converters\nsDirIndexParser.cpp) in browsers such as Firefox, Firefox ESR, and the email client Thunderbird arises from the lack of checks during array-based indexing. This allows an attacker to gain access to protected information.

The vulnerability of the nsDirIndexParser::ParseFormat method netwerk\streamconv\converters\nsDirIndexParser.cpp in browsers such as Firefox, Firefox ESR, and the email client Thunderbird is related to the lack of checks during array indexing. Exploiting this vulnerability can allow an attacker,...