5.9
CVE-2025-4516
- EPSS 0.03%
- Published 15.05.2025 13:29:20
- Last modified 03.06.2025 14:15:49
- Source cna@python.org
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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.
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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorPython Software Foundation
≫
Product
CPython
Default Statusunaffected
Version <
3.9.23
Version
0
Status
affected
Version <
3.10.18
Version
3.10.0
Status
affected
Version <
3.11.13
Version
3.11.0
Status
affected
Version <
3.12.11
Version
3.12.0
Status
affected
Version <
3.13.4
Version
3.13.0
Status
affected
Version <
3.14.0b2
Version
3.14.0a1
Status
affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
Type | Source | Score | Percentile |
---|---|---|---|
EPSS | FIRST.org | 0.03% | 0.06 |
Source | Base Score | Exploit Score | Impact Score | Vector string |
---|---|---|---|---|
cna@python.org | 5.9 | 0 | 0 |
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.