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CVE-2026-40257

🗓️ 06 Jul 2026 16:26:20Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 12 Views

OP-TEE SHA-3 ARM Crypto Extensions off-by-one causes heap overflow; patch released in 4.11.0; disable extensions.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian13alloptee-os4.5.0-2optee-os_4.5.0-2_all.deb
Debian14alloptee-os4.10.0-2optee-os_4.10.0-2_all.deb
Debian999alloptee-os4.10.0-2optee-os_4.10.0-2_all.deb

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06 Jul 2026 16:26Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00109
SSVC
12