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libevent: Libevent: HTTP header smuggling allows authorization bypass or cache poisoning

🗓️ 29 Aug 2026 13:59:54Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 22 Views

Libevent HTTP trailer merging enables header smuggling, authorization bypass, or cache poisoning.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libevent2.1.12-19.1.hum1libevent-2.1.12-19.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libevent2.1.12-19.1.hum1libevent-2.1.12-19.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchlibevent-doc2.1.12-19.1.hum1libevent-doc-2.1.12-19.1.hum1.noarch.rpm

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28 Sep 2026 14:10Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
EPSS0.00707
SSVC
22