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CVE-2018-0732 · cross-distro fix matrix

CVE-2018-0732: During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-0732 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • openssl→ fixed in1.1.1-1urgency: low
    sudo apt-get install --only-upgrade -y openssl

Debian bookworm

Source: Debian Security Tracker

  • openssl→ fixed in1.1.1-1urgency: low
    sudo apt-get install --only-upgrade -y openssl

Debian trixie

Source: Debian Security Tracker

  • openssl→ fixed in1.1.1-1urgency: low
    sudo apt-get install --only-upgrade -y openssl

Alpine v3.20

Source: Alpine secdb

  • libressl→ fixed in2.7.4-r0
    apk update && apk add --upgrade libressl

Alpine v3.21

Source: Alpine secdb

  • libressl→ fixed in2.7.4-r0
    apk update && apk add --upgrade libressl

Alpine edge

Source: Alpine secdb

  • libressl→ fixed in2.7.4-r0
    apk update && apk add --upgrade libressl

Alpine v3.18

Source: Alpine secdb

  • libressl→ fixed in2.7.4-r0
    apk update && apk add --upgrade libressl

Alpine v3.19

Source: Alpine secdb

  • libressl→ fixed in2.7.4-r0
    apk update && apk add --upgrade libressl
Are YOU affected by CVE-2018-0732?

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