CVE-2025-53605

A flaw was found in protobuf. The protobuf::coded_input_stream::CodedInputStream::skip_group function exhibits uncontrolled recursion when parsing unknown fields from untrusted input, potentially leading to excessive resource consumption. This flaw allows a network attacker to trigger this condition by providing a maliciously crafted Protocol Buffer (protobuf) file. This issue can result in an application-level denial of service due to resource exhaustion.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.