This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-77638 →

DEBIAN-CVE-2026-77638

Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-the-middle (impersonate) the on...

Original description

The description as published by the source.

Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-the-middle (impersonate) the onion service that the client was trying to reach.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.11-0+deb12u1"}]}]

Debian:13 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.11-0+deb13u1"}]}]

Debian:14 tor

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.9.11-1"}]}]

References

advisory security-tracker.debian.org