CVE-2020-1898
7.5HIGHThe 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. Th
Published: 3/11/2021Updated: 11/21/2024
Description
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.
AI AnalysisPowered by AI
Affected Products
facebookhhvm
facebookhhvm
facebookhhvm
4.57.0
facebookhhvm
4.58.0
facebookhhvm
4.58.1
facebookhhvm
4.59.0
facebookhhvm
4.60.0
facebookhhvm
4.61.0
facebookhhvm
4.62.0
References
- https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684cPatchThird Party Advisory
- https://hhvm.com/blog/2020/06/30/security-update.htmlVendor Advisory
- https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684cPatchThird Party Advisory
- https://hhvm.com/blog/2020/06/30/security-update.htmlVendor Advisory