description: Insufficient boundary checks when decoding JSON in handleBackslash reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
problem types: Out-of-bounds Read (CWE-125)
affected:
{
product: HHVM
vendor: Facebook
versions:
status: affected, version: 4.45.1
status: affected, version: 4.45.0
status: affected, version: 4.44.1
status: affected, version: 4.44.0
status: affected, version: 4.43.1
status: affected, version: 4.43.0
status: affected, version: 4.42.1
status: affected, version: 4.42.0
status: affected, version: 4.41.1
status: affected, version: 4.41.0
status: affected, version: 4.40.1
status: affected, version: 4.40.0
status: affected, version: 4.39.1
status: affected, version: 4.39.0
status: affected, version: 4.38.1
lessThan: unspecified, status: affected, version: 4.33.0, versionType: custom
status: affected, version: 4.32.1
lessThan: unspecified, status: affected, version: 4.9.0, versionType: custom
status: affected, version: 4.8.7
lessThanOrEqual: 4.8.6, status: affected, version: unspecified, versionType: custom
}