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CVE-2018-16868 · cross-distro fix matrix

CVE-2018-16868: A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade an

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-16868 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • gnutls28→ fixed in3.6.5-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y gnutls28

Debian bookworm

Source: Debian Security Tracker

  • gnutls28→ fixed in3.6.5-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y gnutls28

Debian trixie

Source: Debian Security Tracker

  • gnutls28→ fixed in3.6.5-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y gnutls28
Are YOU affected by CVE-2018-16868?

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