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CVE-2021-48018

8.3 high SSVC exploitation: none Deferred
NVD · CVE.org

Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function using @nonreentrant is called, setting the lock overwrites the overlapping storage variable, corrupting contract state and breaking the contract's intended logic.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-22 17:00
  2. First seenCVSS 8.3NVD modified 2026-10-21 01:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2