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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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3 advisories

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Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs") Low
CVE-2026-45304 was published for symfony/symfony (Composer) May 27, 2026
Symfony hardened the parser when handling untrusted input Low
CVE-2026-45133 was published for symfony/symfony (Composer) May 27, 2026
nicolas-grekas Credited to nicolas-grekas and suidpit suidpit suidpit
REXML has DoS condition when parsing malformed XML file Low
CVE-2025-58767 was published for rexml (RubyGems) Sep 17, 2025
sofiaaberegg Credited to sofiaaberegg
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