CVE-2025-5087

CVE-2025-5087 affects Kaleris NAVIS N4 ULC (Ultra Light Client). The connected documents describe an unsafe Java deserialization vulnerability and insecure transmission of zlib-compressed data over HTTP, enabling an attacker who can observe traffic between Ultra Light Clients and N4 servers to ex...

CVE-2025-5087: Cleartext Transmission of Sensitive Information

Kaleris NAVIS N4 ULC Ultra Light Client communicates insecurely using zlib-compressed data over HTTP. An attacker capable of observing network traffic between Ultra Light Clients and N4 servers can extract sensitive information, including plaintext credentials...

PT-2025-26770 · Aleris +1 · Kaleris Navis N4 Ulc +1

Name of the Vulnerable Software and Affected Versions: Kaleris NAVIS N4 ULC Ultra Light Client affected versions not specified Description: The issue concerns insecure communication using zlib-compressed data over HTTP. An attacker capable of observing network traffic between Ultra Light Clients...

CVE-2011-0015

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor...

CVE-2008-3933

Wireshark formerly Ethereal 0.10.14 through 1.0.2 allows attackers to cause a denial of service crash via a packet with crafted zlib-compressed data that triggers an invalid read in the tvbuncompress function...

CVE-2008-3933: Improper Input Validation

Wireshark formerly Ethereal 0.10.14 through 1.0.2 allows attackers to cause a denial of service crash via a packet with crafted zlib-compressed data that triggers an invalid read in the tvbuncompress function...