
CVE-2020-1918
https://notcve.org/view.php?id=CVE-2020-1918
10 Mar 2021 — 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. Las operaciones de archivos en memoria (es decir, usando fopen en un URI de datos) no restringieron apropiadamente la búsqueda negativa, permitiendo la lectura d... • https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca • CWE-125: Out-of-bounds Read CWE-127: Buffer Under-read •

CVE-2020-1916
https://notcve.org/view.php?id=CVE-2020-1916
10 Mar 2021 — An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0. Un cálculo de tamaño incorrecto en la función ldap_escape puede conllevar a un desbordamiento de enteros cuando es pasada una entrada demasiado larga, resultando en una escritura fuera de límites. Este problema afecta a HHVM versiones ... • https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •