folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.
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History
Tue, 06 May 2025 17:15:00 +0000
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cvssV3_1
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Status: PUBLISHED
Assigner: facebook
Published: 2018-12-31T22:00:00.000Z
Updated: 2025-05-06T16:39:21.216Z
Reserved: 2018-01-26T00:00:00.000Z
Link: CVE-2018-6337

Updated: 2024-08-05T06:01:48.614Z

Status : Modified
Published: 2018-12-31T22:29:00.247
Modified: 2025-05-06T17:15:50.983
Link: CVE-2018-6337

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