CVE-2025-4516 – CPython Bytes Decode Unicode Escape Vulnerability

CVE ID : CVE-2025-4516

Published : May 15, 2025, 2:15 p.m. | 43 minutes ago

Description : There is an issue in CPython when using `bytes.decode(“unicode_escape”, error=”ignore|replace”)`. If you are not using the “unicode_escape” encoding or an error handler your usage is not affected. To work-around this issue you may stop using the error= handler and instead wrap the bytes.decode() call in a try-except catching the DecodeError.

Severity: 0.0 | NA

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