Heartbleed

name

name ·Rare ·Advanced level

Definitions

Proper Noun
  1. 1
    A security bug in OpenSSL, where more data can be read than should be allowed, which was disclosed and fixed in April 2014.

Etymology

Blend of heartbeat (“periodic signal generated to indicate normal operation of hardware or software”) + bleed.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.