Vulnerabilities > Facebook > Hhvm > Critical

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
2021-07-23 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
2021-03-10 CVE-2020-1916 Out-of-bounds Write vulnerability in Facebook Hhvm
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.
network
low complexity
facebook CWE-787
critical
9.8
2021-03-10 CVE-2020-1917 Out-of-bounds Write vulnerability in Facebook Hhvm
xbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function.
network
low complexity
facebook CWE-787
critical
9.8
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
2020-02-19 CVE-2016-1000004 Insufficient Verification of Data Authenticity vulnerability in Facebook Hhvm
Insufficient type checks were employed prior to casting input data in SimpleXMLElement_exportNode and simplexml_import_dom.
network
low complexity
facebook CWE-345
critical
9.8
2020-02-19 CVE-2016-1000005 Type Confusion vulnerability in Facebook Hhvm
mcrypt_get_block_size did not enforce that the provided "module" parameter was a string, leading to type confusion if other types of data were passed in.
network
low complexity
facebook CWE-843
critical
9.8
2019-12-04 CVE-2019-11930 Release of Invalid Pointer or Reference vulnerability in Facebook Hhvm
An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution.
network
low complexity
facebook CWE-763
critical
9.8
2019-12-04 CVE-2019-11935 Classic Buffer Overflow vulnerability in Facebook Hhvm
Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory.
network
low complexity
facebook CWE-120
critical
9.8