This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-34549 →

DEBIAN-CVE-2021-34549

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 attac...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5.9-1"}]}]

Debian:13 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5.9-1"}]}]

Debian:14 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.5.9-1"}]}]

References

advisory security-tracker.debian.org