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CVE-2026-8720

🗓️ 25 Jun 2026 22:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 3 Views

CVE-2026-8720 causes HMAC-BLAKE2 finalization to discard the message when the key exceeds the block size, making the MAC depend only on the key.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8720
25 Jun 202621:18
attackerkb
AlpineLinux
CVE-2026-8720
25 Jun 202621:18
alpinelinux
Circl
CVE-2026-8720
25 Jun 202621:52
circl
CVE
CVE-2026-8720
25 Jun 202621:18
cve
Cvelist
CVE-2026-8720 HMAC-BLAKE2 final discards message when key length exceeds block size
25 Jun 202621:18
cvelist
Debian CVE
CVE-2026-8720
25 Jun 202621:18
debiancve
EUVD
EUVD-2026-39579
26 Jun 202600:32
euvd
NVD
CVE-2026-8720
25 Jun 202622:17
nvd
OSV
CVE-2026-8720 HMAC-BLAKE2 final discards message when key length exceeds block size
25 Jun 202621:18
osv
OSV
DEBIAN-CVE-2026-8720
25 Jun 202622:17
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04allwolfssl0wolfssl_0_all.deb
Ubuntu20.04allwolfssl0wolfssl_0_all.deb
Ubuntu22.04allwolfssl0wolfssl_0_all.deb
Ubuntu24.04allwolfssl0wolfssl_0_all.deb
Ubuntu26.04allwolfssl0wolfssl_0_all.deb

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29 Jun 2026 22:20Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
CVSS 45.9
EPSS0.00111
SSVC
3