{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-13T20:09:52.721","vulnerabilities":[{"cve":{"id":"CVE-2025-4516","sourceIdentifier":"cna@python.org","published":"2025-05-15T14:15:31.753","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Hay un problema en CPython al usar `bytes.decode(\"unicode_escape\", error=\"ignore|replace\")`. Si no usa la codificación \"unicode_escape\" ni un controlador de errores, su uso no se ve afectado. Para solucionar este problema, puede dejar de usar el controlador `error=` y, en su lugar, encapsular la llamada `bytes.decode()` en un `try-except` que capture el `DecodeError`."}],"metrics":{"cvssMetricV40":[{"source":"cna@python.org","type":"Secondary","cvssData":{"version":"4.0","vectorString":"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","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}]},"weaknesses":[{"source":"cna@python.org","type":"Secondary","description":[{"lang":"en","value":"CWE-416"}]}],"references":[{"url":"https://github.com/python/cpython/commit/4398b788ffc1f954a2c552da285477d42a571292","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/6279eb8c076d89d3739a6edb393e43c7929b429d","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/69b4387f78f413e8c47572a85b3478c47eba8142","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/73b3040f592436385007918887b7e2132aa8431f","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/8d35fd1b34935221aff23a1ab69a429dd156be77","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/9f69a58623bd01349a18ba0c7a9cb1dad6a51e8e","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/ab9893c40609935e0d40a6d2a7307ea51aec598b","source":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/133767","source":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/129648","source":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/L75IPBBTSCYEF56I2M4KIW353BB3AY74/","source":"cna@python.org"},{"url":"http://www.openwall.com/lists/oss-security/2025/05/16/4","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/05/19/1","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}