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6.5 Moyenne

CVE-2026-71225 A flaw was found in libkcapi

Description

A flaw was found in libkcapi. When performing one-shot symmetric cipher operations on large inputs (over 64 KiB) in stateful modes such as Counter (CTR) or Cipher Block Chaining (CBC), the library improperly reuses the Initialization Vector (IV) for each internal data chunk. A remote attacker could potentially exploit this by making an application that uses libkcapi process specially crafted large inputs. This can lead to a significant weakening of data confidentiality, as the repeated IV use can expose relationships in encrypted plaintext, and may also affect data integrity by causing incorrect cryptographic processing.

Produits et versions touchés

Produit Versions touchées Corrigé en
Red Hat Enterprise Linux 10 Versions non publiées
Red Hat Enterprise Linux 8 Versions non publiées
Red Hat Enterprise Linux 9 Versions non publiées
Red Hat Hardened Images 1.5 premières → < 1.5.1-0.1.hum1 1.5.1-0.1.hum1
Red Hat OpenShift Container Platform 4 Versions non publiées
libkcapi 0.10 0.10.1 → < 1.5.1 1.5.1
Red Hat Enterprise Linux 10.0 Extended Update Support Versions non publiées
Red Hat Enterprise Linux 9.6 Extended Update Support Versions non publiées
Red Hat OpenShift Container Platform 5 Versions non publiées

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