Symfony v7.4.13 Security Advisory: Fixes for RCE, Info Leak, and Path Traversal in HttpFoundation/Cache/Process

Vulnerability Overview The webpage screenshot displays the release notes for Symfony framework version 7.4.13, which include multiple security-related fixes. These fixes address patches for various potential vulnerabilities, including URL attribute handling, IPv6 transition formats, user-supplied path processing, dot encoding in routes, Mailchimp signature verification, the method, CGI/FastCGI request context variable leakage, the method, missing Lokalise keys, callable factory configurations in dependency injection, log priority names in , and transmission signatures for unrouted messages. Impact Scope URL Attribute Handling: Affects HTML attributes using and internal URL content. IPv6 Transition Format: Affects IPv6 addresses using IPv6 transition formats. User-Supplied Path Processing: Affects routing using user-supplied and parameters. Dot Encoding in Routes: Affects and characters generated in URLs. Mailchimp Signature Verification: Affects Mailchimp webhook signature verification. Method: Affects cache clearing using the method. CGI/FastCGI Request Context Variable Leakage: Affects the leakage of CGI/FastCGI request context variables to child processes. Method: Affects the and prefixes passed in the method. Missing Lokalise Keys: Affects error messages regarding missing Lokalise keys. Callable Factory Configurations in Dependency Injection: Affects callable factories based on array-based PHP configurations in dependency injection. Log Priority Names in : Affects log priority names such as and in . Transmission Signatures for Unrouted Messages: Affects the transmission signatures of unrouted messages. Remediation URL Attribute Handling: Sanitize and internal URL content in URL attributes within . IPv6 Transition Format: Block IPv6 transition formats in within . User-Supplied Path Processing: Do not trust user-supplied and parameters in . Dot Encoding in Routes: Apply dot encoding for and characters in . Mailchimp Signature Verification: Fix the Mailchimp webhook signature verification algorithm to SHA-256 in . Method: Fix the null pointer dereference in the method within . CGI/FastCGI Request Context Variable Leakage: Stop leaking CGI/FastCGI request context variables to child processes in . Method: Fix the and prefixes passed in the method within . Missing Lokalise Keys: Check error messages to determine if Lokalise keys are missing in . Callable Factory Configurations in Dependency Injection: Fix callable factories based on array-based PHP configurations in . Log Priority Names in : Verify log priority names in . Transmission Signatures for Unrouted Messages: Sign transmissions for unrouted messages in . POC Code or Exploit Code No specific POC code or exploit code is included in the page.

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Symfony v7.4.13 Security Advisory: Fixes for RCE, Info Leak, and Path Traversal in HttpFoundation/Cache/Process

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