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Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext

🗓️ 10 Aug 2026 18:57:58Reported by RedHatType 
redhat
 redhat
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Heap-based buffer overflow in gcry_pk_decrypt via crafted ECDH ciphertext causing DoS in Libgcrypt.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64libgcrypt1.10.0-11.el9_6.1libgcrypt-1.10.0-11.el9_6.1.aarch64.rpm
Red Hat Enterprise Linux9.6i686libgcrypt1.10.0-11.el9_6.1libgcrypt-1.10.0-11.el9_6.1.i686.rpm
Red Hat Enterprise Linux9.6ppc64lelibgcrypt1.10.0-11.el9_6.1libgcrypt-1.10.0-11.el9_6.1.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xlibgcrypt1.10.0-11.el9_6.1libgcrypt-1.10.0-11.el9_6.1.s390x.rpm
Red Hat Enterprise Linux9.6x86_64libgcrypt1.10.0-11.el9_6.1libgcrypt-1.10.0-11.el9_6.1.x86_64.rpm

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17 Aug 2026 21:12Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.7
EPSS0.00182
SSVC
10