F5 | 1207793

Bug ID 1207793: Bracket expression in JSON schema pattern does not work with non basic latin characters ... Last Modified: May 08, 2024 ... Affected Product(s): ... Severity: 3-Major ... Symptoms ... Pattern matching in JSON schema has an issue of unable to match string in a specific pattern expression. ... Impact ... The JSON content profile fails matching legitimate JSON token with JSON schema, resulting a false positive. ... Conditions ... When all the following conditions are satisfied: - a non-basic latin character is in bracket expression [] - the bracket expression is led by ^ or followed by $ - there is at least one character just before or after bracket expression Following are examples for pattern that has issue: - /^[€]1/ - /1[€]$/ The bracket would have multiple characters in real scenario. ... Following are examples for patterns that do not have the issue: - /^[€]/ - /[€]1/ - /^€1/