cvedb.io
CVE-2021-34549
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2021-06-29T12:15:08.643 · Last modified 2026-06-17T03:56:06.317

Summary

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.

Affected products

torproject — tor

Does this affect you?

Add your gear to cvedb and we'll alert you only when torproject ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.