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CVE-2020-1900
Published: Mar 11, 2021
Modified: Aug 4, 2024
PUBLISHED
Description
When unserializing an object with dynamic properties HHVM needs to pre-reserve the full size of the dynamic property array before inserting anything into it. Otherwise the array might resize, invalidating previously stored references. This pre-reservation was not occurring in 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.
| Vendor | Product | Versions |
|---|---|---|
HHVM | unaffected 4.62.1 - < unspecifiedaffected 4.62.0unaffected 4.61.1 - < unspecifiedaffected 4.61.0unaffected 4.60.1 - < unspecified+11 more versions |
Weaknesses (CWE)
References
https://hhvm.com/blog/2020/06/30/security-update.html
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