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CVE-2025-29776

CVE-2025-29776 · Azle calling `setTimer` causes infinite loop of timers

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Azle is a WebAssembly runtime for TypeScript and JavaScript on ICP. Calling `setTimer` in Azle versions `0.27.0`, `0.28.0`, and `0.29.0` causes an immediate infinite loop of timers to be executed on the canister, each timer attempting to clean up the global state of the previous timer. The infinite loop will occur with any valid invocation of `setTimer`. The problem has been fixed as of Azle version `0.30.0`. As a workaround, if a canister is caught in this infinite loop after calling `setTimer`, the canister can be upgraded and the timers will all be cleared, thus ending the loop.

CVSS 8.7 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • azle

    Versions
    • >= 0.27.0, < 0.30.0: Affected

    No fix published

  • azle npm

    Affected ranges
    • SEMVER: ≥ 0.27.0, < 0.30.0

    Update to 0.30.0

Original sources

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