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Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header

🗓️ 27 Oct 2026 19:01:39Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 12 Views

Unauthenticated ReDoS in Symfony HeaderUtils::split() via Cache-Control header.

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Node
OR
symfonysymfonyRange4.1.0–5.4.54composer
symfonyhttp-foundationRange4.1.0–5.4.54composer
symfonysymfonyRange8.0.0–8.1.7composer
symfonysymfonyRange7.0.0–7.4.19composer
symfonysymfonyRange6.0.1–6.4.46composer
symfonyhttp-foundationRange8.0.0–8.1.7composer
symfonyhttp-foundationRange7.0.0–7.4.19composer
symfonyhttp-foundationRange6.0.1–6.4.46composer

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27 Oct 2026 19:01Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.7
EPSS0.0048
SSVC
12