VULNERABILITY INTELLIGENCE

CVE-2024-50382

CVSS score5.9 MEDIUM
EPSS probability0.55%
CISA KEVNot currently listed
Published2024-10-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Botan before 3.6.0, when certain LLVM versions are used, has compiler-induced secret-dependent control flow in lib/utils/ghash/ghash.cpp in GHASH in AES-GCM. There is a branch instead of an XOR with carry. This was observed for Clang in LLVM 15 on RISC-V.

Weakness classification

  • CWE-203: Observable Discrepancy

Primary references