CVE-2020-26235

{"containers": {"cna": {"affected": [{"product": "time", "vendor": "time-rs", "versions": [{"status": "affected", "version": ">= 0.2.7, <0.2.23"}]}], "descriptions": [{"lang": "en", "value": "In Rust time crate from version 0.2.7 and before version 0.2.23, unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires the user to set any environment variable in a different thread than the affected functions. The affected functions are time::UtcOffset::local_offset_at, time::UtcOffset::try_local_offset_at, time::UtcOffset::current_local_offset, time::UtcOffset::try_current_local_offset, time::OffsetDateTime::now_local and time::OffsetDateTime::try_now_local. Non-Unix targets are unaffected. This includes Windows and wasm. The issue was introduced in version 0.2.7 and fixed in version 0.2.23."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-11-24T21:20:14.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/time-rs/time/issues/293"}, {"tags": ["x_refsource_MISC"], "url": "https://crates.io/crates/time/0.2.23"}], "source": {"advisory": "GHSA-wcg3-cvx6-7396", "discovery": "UNKNOWN"}, "title": "Segmentation fault in Rust time crate", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-26235", "STATE": "PUBLIC", "TITLE": "Segmentation fault in Rust time crate"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "time", "version": {"version_data": [{"version_value": ">= 0.2.7, <0.2.23"}]}}]}, "vendor_name": "time-rs"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Rust time crate from version 0.2.7 and before version 0.2.23, unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires the user to set any environment variable in a different thread than the affected functions. The affected functions are time::UtcOffset::local_offset_at, time::UtcOffset::try_local_offset_at, time::UtcOffset::current_local_offset, time::UtcOffset::try_current_local_offset, time::OffsetDateTime::now_local and time::OffsetDateTime::try_now_local. Non-Unix targets are unaffected. This includes Windows and wasm. The issue was introduced in version 0.2.7 and fixed in version 0.2.23."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-476 NULL Pointer Dereference"}]}]}, "references": {"reference_data": [{"name": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396", "refsource": "CONFIRM", "url": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396"}, {"name": "https://github.com/time-rs/time/issues/293", "refsource": "MISC", "url": "https://github.com/time-rs/time/issues/293"}, {"name": "https://crates.io/crates/time/0.2.23", "refsource": "MISC", "url": "https://crates.io/crates/time/0.2.23"}]}, "source": {"advisory": "GHSA-wcg3-cvx6-7396", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:56:03.095Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/time-rs/time/issues/293"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://crates.io/crates/time/0.2.23"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-26235", "datePublished": "2020-11-24T21:20:14.000Z", "dateReserved": "2020-10-01T00:00:00.000Z", "dateUpdated": "2024-08-04T15:56:03.095Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "time", "vendor": "time-rs", "versions": [{"status": "affected", "version": ">= 0.2.7, <0.2.23"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:time_project:time:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4D28992-1FA7-4FAD-9AF9-E0D8F1CA5DD9", "versionEndExcluding": "0.2.23", "versionStartIncluding": "0.2.7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Rust time crate from version 0.2.7 and before version 0.2.23, unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires the user to set any environment variable in a different thread than the affected functions. The affected functions are time::UtcOffset::local_offset_at, time::UtcOffset::try_local_offset_at, time::UtcOffset::current_local_offset, time::UtcOffset::try_current_local_offset, time::OffsetDateTime::now_local and time::OffsetDateTime::try_now_local. Non-Unix targets are unaffected. This includes Windows and wasm. The issue was introduced in version 0.2.7 and fixed in version 0.2.23."}, {"lang": "es", "value": "En el crate time de Rust desde la versi\u00f3n 0.2.7 y anterior a versi\u00f3n 0.2.23, los sistemas operativos tipo Unix pueden segregarse debido a la desreferenciaci\u00f3n de un puntero colgante en circunstancias espec\u00edficas.&#xa0;Esto requiere que el usuario configure cualquier variable de entorno en un hilo diferente al de las funciones afectadas.&#xa0;Las funciones afectadas son time::UtcOffset::local_offset_at, time::UtcOffset::try_local_offset_at, time::UtcOffset::current_local_offset, time::UtcOffset::try_current_local_offset, time::OffsetDateTime::now_local y time::OffsetDateTime::try_now_local.&#xa0;Los objetivos que no son Unix no est\u00e1n afectados.&#xa0;Esto incluye Windows y wasm.&#xa0;El problema se introdujo en la versi\u00f3n 0.2.7 y se corrigi\u00f3 en la versi\u00f3n 0.2.23"}], "id": "CVE-2020-26235", "lastModified": "2026-06-17T03:07:53.160", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-24T22:15:11.657", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://crates.io/crates/time/0.2.23"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/time-rs/time/issues/293"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://crates.io/crates/time/0.2.23"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/time-rs/time/issues/293"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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