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CVE-2014-8146 (GCVE-0-2014-8146)

Vulnerability from cvelistv5 – Published: 2015-05-25 22:00 – Updated: 2024-08-06 13:10
VLAI
Summary
The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 does not properly track directionally isolated pieces of text, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly execute arbitrary code via crafted text.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2015-05-04 00:00
Show details on NVD website
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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2014-8146\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2015-05-25T22:59:00.067\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 does not properly track directionally isolated pieces of text, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly execute arbitrary code via crafted text.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n resolveImplicitLevels en common/ubidi.c en la implementaci\u00f3n Unicode Bidirectional Algorithm en ICU4C en International Components for Unicode (ICU) anterior a 55.1 no rastrea correctamente trozos de texto aislados direccionalmente, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (desbordamiento de buffer basado en memoria din\u00e1mica) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de texto manipulado.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"12.1.3\",\"matchCriteriaId\":\"ED78BEDA-F401-4613-A58A-C5AED28F65E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"8.2\",\"matchCriteriaId\":\"C0340315-35F7-4736-854B-852916D00673\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"10.10.4\",\"matchCriteriaId\":\"7883E465-932D-4C11-AA54-97E44181F906\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.0.1\",\"matchCriteriaId\":\"CCBD0D8B-CD44-4B09-834F-F640546DFED4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\\\\/c\\\\+\\\\+:*:*\",\"versionEndExcluding\":\"55.1\",\"matchCriteriaId\":\"A889134B-A584-4570-97DB-83FD217BC601\"}]}]}],\"references\":[{\"url\":\"http://bugs.icu-project.org/trac/changeset/37162\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-27T10:10:55+00:00",
      "cve": "CVE-2014-8146",
      "id": "CVE-2014-8146",
      "initial_release_date": "2014-01-01T00:00:00+00:00",
      "product_status:known_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "icu: heap overflow via incorrect isolateCount",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-8146.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T23:47:16Z",
      "cve": "CVE-2014-8146",
      "id": "CVE-2014-8146",
      "initial_release_date": "2023-02-15T05:25:55Z",
      "product_status:known_affected": "60",
      "product_status:known_not_affected": "242",
      "product_status:recommended": "5131",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2014-8146",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2014-8146.json",
      "version": "11"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.