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USN-8024-1: Libwebsockets vulnerabilities

🗓️ 11 Feb 2026 12:58:26Reported by UbuntuType 
ubuntu
 ubuntu
🔗 ubuntu.com👁 2 Views

Libwebsockets upgrade header memory error and asynchronous dns buffer flaw may cause denial of service.

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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu20.04anylibwebsockets-dev3.2.1-3ubuntu0.1~esm1libwebsockets-dev_3.2.1-3ubuntu0.1~esm1_any.deb
Ubuntu22.04amd64libwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_amd64.deb
Ubuntu22.04arm64libwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_arm64.deb
Ubuntu22.04armhflibwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_armhf.deb
Ubuntu22.04ppc64ellibwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_ppc64el.deb
Ubuntu22.04riscv64libwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_riscv64.deb
Ubuntu22.04s390xlibwebsockets-dev4.0.20-2ubuntu1.1libwebsockets-dev_4.0.20-2ubuntu1.1_s390x.deb
Ubuntu24.04anylibwebsockets-dev4.3.3-1.1ubuntu0.1~esm1libwebsockets-dev_4.3.3-1.1ubuntu0.1~esm1_any.deb
Ubuntu24.04anylibwebsockets-evlib-ev4.3.3-1.1ubuntu0.1~esm1libwebsockets-evlib-ev_4.3.3-1.1ubuntu0.1~esm1_any.deb
Ubuntu24.04anylibwebsockets-evlib-glib4.3.3-1.1ubuntu0.1~esm1libwebsockets-evlib-glib_4.3.3-1.1ubuntu0.1~esm1_any.deb
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11 Feb 2026 12:58Current
6.3Medium risk
Vulners AI Score6.3
CVSS 47.5
EPSS0.00075
SSVC
2