CVE-2009-2426 · cross-distro fix matrix

CVE-2009-2426: The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: so

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2009-2426 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tor→ fixed in0.2.0.35-1urgency: low

sudo apt-get install --only-upgrade -y tor

Debian bookworm

Source: Debian Security Tracker

tor→ fixed in0.2.0.35-1urgency: low

sudo apt-get install --only-upgrade -y tor

Debian trixie

Source: Debian Security Tracker

tor→ fixed in0.2.0.35-1urgency: low

sudo apt-get install --only-upgrade -y tor

Are YOU affected by CVE-2009-2426?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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