Vulnerabilities > Facebook > Hhvm

DATE CVE VULNERABILITY TITLE RISK
2023-05-10 CVE-2022-36937 Unspecified vulnerability in Facebook Hhvm
HHVM 4.172.0 and all prior versions use TLS 1.0 for secure connections when handling tls:// URLs in the stream extension.
network
low complexity
facebook
critical
9.8
2021-10-26 CVE-2019-3556 Path Traversal vulnerability in Facebook Hhvm
HHVM supports the use of an "admin" server which accepts administrative requests over HTTP.
network
low complexity
facebook CWE-22
8.1
2021-07-23 CVE-2021-24036 Integer Overflow or Wraparound vulnerability in Facebook Hhvm
Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution.
network
low complexity
facebook CWE-190
critical
9.8
2021-03-11 CVE-2020-1900 Use After Free vulnerability in Facebook Hhvm
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.
network
low complexity
facebook CWE-416
critical
9.8
2021-03-11 CVE-2020-1899 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Facebook Hhvm
The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization.
network
low complexity
facebook CWE-119
7.5
2021-03-11 CVE-2020-1898 Uncontrolled Recursion vulnerability in Facebook Hhvm
The fb_unserialize function did not impose a depth limit for nested deserialization.
network
low complexity
facebook CWE-674
7.5
2021-03-10 CVE-2021-24025 Integer Overflow or Wraparound vulnerability in Facebook Hhvm
Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow.
network
low complexity
facebook CWE-190
critical
9.8
2021-03-10 CVE-2020-1921 Out-of-bounds Write vulnerability in Facebook Hhvm
In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer.
network
low complexity
facebook CWE-787
7.5
2021-03-10 CVE-2020-1919 Out-of-bounds Read vulnerability in Facebook Hhvm
Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first.
network
low complexity
facebook CWE-125
7.5
2021-03-10 CVE-2020-1918 Out-of-bounds Read vulnerability in Facebook Hhvm
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.
network
low complexity
facebook CWE-125
7.5