CVE-2012-3587 · cross-distro fix matrix

CVE-2012-3587: APT 0.7.x before 0.7.25 and 0.8.x before 0.8.16, when using the apt-key net-update to import keyrings, relies on GnuPG argument order and does not check GPG subkeys, which might allow remote attackers to install Trojan horse packages via a man-in-the-middle (MITM) attack.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-3587 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

apt→ fixed in0.7.25urgency: unimportant

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

Debian bookworm

Source: Debian Security Tracker

apt→ fixed in0.7.25urgency: unimportant

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

Debian trixie

Source: Debian Security Tracker

apt→ fixed in0.7.25urgency: unimportant

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

Are YOU affected by CVE-2012-3587?

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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