vulnerability
FreeBSD: VID-e587b52d-38ac-11f0-b7b6-dcfe074bd614 (CVE-2025-4516): cpython -- Use-after-free in "unicode_escape" decoder with error handler
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:N/I:N/A:C) | May 24, 2025 | May 25, 2025 | Jan 27, 2026 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
May 24, 2025
Added
May 25, 2025
Modified
Jan 27, 2026
Description
[email protected] reports: 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.
Solutions
freebsd-upgrade-package-python39freebsd-upgrade-package-python310freebsd-upgrade-package-python311freebsd-upgrade-package-python312
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