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CVE-2018-6337

nvd nist
Published: Dec 31, 2018Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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.

Affected (2)

Products: Facebook: Folly, Hhvm
2 products
Folly
Hhvm
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
From 2017.12.11.00 to 2018.08.09.00
From 3.26 to 3.26.3

References (6)

Source: cve-assign@fb.com
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.