Improper Encoding Or Escaping Of Output

Apache Log4j API is vulnerable to Improper Encoding or Escaping of Output. The vulnerability is due to improper encoding of non-finite floating-point values during MapMessage JSON serialization, which allows an attacker to inject NaN or Infinity values that produce malformed JSON and disrupt...

DEBIAN-CVE-2020-26890

Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into th...