Threats Tagged 'cve-2026-63572'
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Threats Tagged 'cve-2026-63572'
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A vulnerability in Legion of the Bouncy Castle Inc. bc-csharp before version 2.7.0 allows an attacker to cause a denial of service by supplying a specially crafted PKCS#12 (PFX) file with an extremely high iteration count in the MacData or PBE parameters. This leads to excessive CPU usage during key derivation before authentication checks occur. The issue affects Pkcs12Store.Load and Pkcs12Utilities.ConvertToDefiniteLength functions. Join the discussion | GCVE Database | 10/02/2026, 09:31:19 UTC Added: 10/02/2026, 17:49:43 UTC |
0 Allocation of resources without limits in PKCS#12 keystore loading (Pkcs12Store.Load) in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a PKCS#12 (PFX) file to cause a denial of service through CPU exhaustion via an iteration count close to 2^31 in the file's MacData or in the PBE parameters of an encrypted SafeContents or shrouded key bag, because the counts are taken from the file without an upper bound and the key derivation runs before the MAC or the password can be checked. A zero or negative count is covered by CVE-2026-63575. Pkcs12Utilities.ConvertToDefiniteLength is also affected. Join the discussion | CVE Database V5 | 10/02/2026, 07:04:37 UTC Added: 10/02/2026, 07:31:49 UTC |
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