Unrated severityNVD Advisory· Published Mar 10, 2021· Updated Aug 4, 2024
CVE-2020-1918
CVE-2020-1918
Description
In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
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Affected products
1Patches
Vulnerability mechanics
References
2- github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44camitrex_refsource_MISC
- hhvm.com/blog/2021/02/25/security-update.htmlmitrex_refsource_MISC
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