Cloudbleed

security bug discovered on February 17, 2017 affecting Cloudflare's reverse proxies, which caused their edge servers to run past the end of a buffer and return memory containing private information (e.g. cookies, authentication tokens)
Event vulnerability Q28836333
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Cloudbleed

Summary

Cloudbleed is a vulnerability[1]. Cloudbleed draws 64 Wikipedia views per month (vulnerability category, ranking #10 of 27).[2]

Key Facts

  • Cloudbleed is credited with the discovery of Tavis Ormandy[3].
  • Cloudbleed's instance of is recorded as vulnerability[4].
  • Cloudbleed's instance of is recorded as memory leak[5].
  • Cloudbleed's instance of is recorded as named vulnerability[6].
  • Cloudflare is named after Cloudbleed[7].
  • Heartbleed is named after Cloudbleed[8].
  • Cloudbleed's time of discovery or invention is recorded as +2017-02-17T00:00:00Z[9].
  • Cloudbleed's described at URL is recorded as https://blog.cloudflare.com/quantifying-the-impact-of-cloudbleed/[10].
  • Cloudbleed's facet of is recorded as Cloudflare[11].
  • Cloudbleed's hashtag is recorded as CloudBleed[12].
  • Cloudbleed's Google Knowledge Graph ID is recorded as /g/11c6rs_vrj[13].

Body

Works and Contributions

Cloudbleed is credited with the discovery of Tavis Ormandy[3].

Why It Matters

Cloudbleed draws 64 Wikipedia views per month (vulnerability category, ranking #10 of 27).[2] Cloudbleed has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[14]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Cloudbleed. Retrieved May 3, 2026, from https://4ort.xyz/entity/cloudbleed
MLA “Cloudbleed.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cloudbleed.
BibTeX @misc{4ortxyz_cloudbleed_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cloudbleed}}, year = {2026}, url = {https://4ort.xyz/entity/cloudbleed}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cloudbleed — https://4ort.xyz/entity/cloudbleed (retrieved 2026-05-03)

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