CVE-2025-4516

A vulnerability has been identified in CPython's bytes.decode() function when used with the "unicode_escape" encoding and the "ignore" or "replace" error handling modes. This flaw can result in the incorrect decoding of byte strings. While this may not directly lead to traditional security breaches like data exfiltration, the resulting unexpected program behavior could introduce instability, logic errors, or unintended side effects within applications that rely on this specific decoding functionality.

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.