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USN-8521-1: Libidn vulnerability

🗓️ 09 Jul 2026 12:36:22Reported by UbuntuType 
ubuntu
 ubuntu
🔗 ubuntu.com👁 5 Views

Libidn vulnerability allows information disclosure or denial of service via internationalized domain name handling.

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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04amd64idn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_amd64.deb
Ubuntu22.04arm64idn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_arm64.deb
Ubuntu22.04armhfidn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_armhf.deb
Ubuntu22.04i386idn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_i386.deb
Ubuntu22.04ppc64elidn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_ppc64el.deb
Ubuntu22.04riscv64idn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_riscv64.deb
Ubuntu22.04s390xidn1.38-4ubuntu1.1idn_1.38-4ubuntu1.1_s390x.deb
Ubuntu24.04amd64idn1.42-1ubuntu0.1idn_1.42-1ubuntu0.1_amd64.deb
Ubuntu24.04arm64idn1.42-1ubuntu0.1idn_1.42-1ubuntu0.1_arm64.deb
Ubuntu24.04armhfidn1.42-1ubuntu0.1idn_1.42-1ubuntu0.1_armhf.deb
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09 Jul 2026 12:36Current
6Medium risk
Vulners AI Score6
CVSS 3.12.5 - 4
EPSS0.0011
SSVC
5