CVE-2012-0884 · cross-distro fix matrix

CVE-2012-0884: The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-0884 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssl→ fixed in1.0.0h-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

openssl→ fixed in1.0.0h-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

openssl→ fixed in1.0.0h-1urgency: low

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

Are YOU affected by CVE-2012-0884?

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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