CVE-2011-1945 · cross-distro fix matrix

CVE-2011-1945: The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determi

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

Fix per ecosystem

Each block below is a distro release where CVE-2011-1945 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssl→ fixed in1.0.0e-1urgency: low

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

Debian bookworm

Source: Debian Security Tracker

openssl→ fixed in1.0.0e-1urgency: low

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

Debian trixie

Source: Debian Security Tracker

openssl→ fixed in1.0.0e-1urgency: low

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

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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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