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CVE-2020-1898

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2021-03-11 00:55:18

Laatst bijgewerkt 2024-08-04 06:53:59

Toegewezen door facebook

CVSS-score geen score

Status PUBLISHED

Beschrijving

The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could cause deserialization to recurse, leading to stack exhaustion. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.

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