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symfony/serializer vulnerabilities

Vulnerabilities published for symfony/serializer in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 2

  1. GHSA-j68w-pg49-f6vx

    Critical · CVSS 9.8Fix available

    Symfony XML decoding attack vector through external entities

    The XMLEncoder component of Symfony 2.0.x fails to disable external entities when parsing XML. In the Symfony2 framework the XML class may be used to deserialize objects or as part of a client/server API. By using external entities it is possible to include arbitrary files from the file system.

    • Update to 2.0.11
    Published Updated
  2. CVE-2021-41270

    Medium · CVSS 6.5EPSS 1.4%Fix available

    CSV Injection in Symfony

    Symfony/Serializer handles serializing and deserializing data structures for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. Symfony versions 4.1.0 before 4.4.35 and versions 5.0.0 before 5.3.12 are vulnerable to CSV injection, also known as formula injection. In Symfony 4.1, maintainers added the opt-in `csv_escape_formulas` option in the `CsvEncoder`, to prefix all cells starting with `=`, `+`, `-` or `@` with a tab `\t`. Since then, OWASP added 2 chars in that list: Tab (0x09) and Carriage return (0x0D). This makes the previous prefix char (Tab `\t`) part of the vulnerable characters, and OWA

    • Update to 4.4.35
    • Update to 5.3.12
    Published Updated

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