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[SECURITY] [DSA 6425-1] openjdk-21 security update

🗓️ 10 Aug 2026 11:39:08Reported by DebianType 
debian
 debian🔗 lists.debian.org👁 8 Views

OpenJDK 21 vulnerabilities allow certificate/Jar validation bypass, DoS and information disclosure.

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OSOS VersionArchitecturePackagePackage VersionFilename
Debian13amd64openjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_amd64.deb
Debian13arm64openjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_arm64.deb
Debian13armelopenjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_armel.deb
Debian13armhfopenjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_armhf.deb
Debian13i386openjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_i386.deb
Debian13ppc64elopenjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_ppc64el.deb
Debian13riscv64openjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_riscv64.deb
Debian13s390xopenjdk-21-dbg21.0.12+8-1~deb13u1openjdk-21-dbg_21.0.12+8-1~deb13u1_s390x.deb
Debian13amd64openjdk-21-demo21.0.12+8-1~deb13u1openjdk-21-demo_21.0.12+8-1~deb13u1_amd64.deb
Debian13arm64openjdk-21-demo21.0.12+8-1~deb13u1openjdk-21-demo_21.0.12+8-1~deb13u1_arm64.deb
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10 Aug 2026 11:39Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00365
SSVC
openjdk-21certificate-validationdenial-of-serviceinformation-disclosurejar-file-validationsigned-jarCVE-2026-41254
8