{"id":"CVE-2020-1892","details":"Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and 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.","modified":"2025-11-14T10:55:47.429814Z","published":"2020-03-03T15:15:11.993Z","references":[{"type":"ADVISORY","url":"https://hhvm.com/blog/2020/02/20/security-update.html"},{"type":"FIX","url":"https://github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/facebook/hhvm","events":[{"introduced":"0"},{"fixed":"dabd48caf74995e605f1700344f1ff4a5d83441d"}]}],"versions":["HPHP-2.1.0","gcc-4.6","nightly-2019.03.28","nightly-2019.03.29","nightly-2019.03.30","nightly-2019.03.31","nightly-2019.04.01","nightly-2019.04.02","nightly-2019.04.03","nightly-2019.04.04","nightly-2019.04.05","nightly-2019.04.06","nightly-2019.04.07","nightly-2019.04.08","nightly-2019.04.09","nightly-2019.04.10","nightly-2019.04.11","nightly-2019.04.12","nightly-2019.04.13","nightly-2019.04.14","nightly-2019.04.15","nightly-2019.04.16","nightly-2019.04.17","nightly-2019.04.18","nightly-2019.04.19","nightly-2019.04.20","nightly-2019.04.21","nightly-2019.04.22","nightly-2019.04.23","nightly-2019.04.24","nightly-2019.04.25","nightly-2019.04.26","nightly-2019.04.27","nightly-2019.04.28","nightly-2019.04.29","nightly-2019.04.30","nightly-2019.05.01","nightly-2019.05.02","nightly-2019.05.03","nightly-2019.05.04","nightly-2019.05.05","nightly-2019.05.06","nightly-2019.05.07","nightly-2019.05.08","nightly-2019.05.09","nightly-2019.05.10","nightly-2019.05.11","nightly-2019.05.12","nightly-2019.05.13","nightly-2019.05.14","nightly-2019.05.15","nightly-2019.05.16","nightly-2019.05.17","nightly-2019.05.18","nightly-2019.05.19","nightly-2019.05.20","nightly-2019.05.21","nightly-2019.05.22","nightly-2019.05.23","nightly-2019.05.24","nightly-2019.05.25","nightly-2019.05.26","nightly-2019.05.27","nightly-2019.05.28","nightly-2019.05.29","nightly-2019.05.30","nightly-2019.05.31","nightly-2019.06.01","nightly-2019.06.02","nightly-2019.06.03","nightly-2019.06.04","nightly-2019.06.05","nightly-2019.06.06","nightly-2019.06.07","nightly-2019.06.08","nightly-2019.06.09","nightly-2019.06.10","nightly-2019.06.11","nightly-2019.06.12","nightly-2019.06.13","nightly-2019.06.14","nightly-2019.06.15","nightly-2019.06.16","nightly-2019.06.17","nightly-2019.06.18","nightly-2019.06.19","nightly-2019.06.20","nightly-2019.06.21","nightly-2019.06.22","nightly-2019.06.23","nightly-2019.06.24","nightly-2019.06.25","nightly-2019.06.26","nightly-2019.06.27","nightly-2019.06.28","nightly-2019.06.29","nightly-2019.06.30","nightly-2019.07.01","nightly-2019.07.02","nightly-2019.07.03","nightly-2019.07.04","nightly-2019.07.05","nightly-2019.07.06","nightly-2019.07.07","nightly-2019.07.08","nightly-2019.07.09","nightly-2019.07.10","nightly-2019.07.11","nightly-2019.07.12","nightly-2019.07.13","nightly-2019.07.14","nightly-2019.07.15","nightly-2019.07.16","nightly-2019.07.17","nightly-2019.07.18","nightly-2019.07.19","nightly-2019.07.20","nightly-2019.07.21","nightly-2019.07.22","nightly-2019.07.23","nightly-2019.07.24","nightly-2019.07.25","nightly-2019.07.26","nightly-2019.07.27","nightly-2019.07.28","nightly-2019.07.29","nightly-2019.07.30","nightly-2019.07.31","nightly-2019.08.01","nightly-2019.08.02","nightly-2019.08.03","nightly-2019.08.04","nightly-2019.08.05","nightly-2019.08.06","nightly-2019.08.07","nightly-2019.08.08","nightly-2019.08.09","nightly-2019.08.10","nightly-2019.08.11","nightly-2019.08.12","nightly-2019.08.13","nightly-2019.08.14","nightly-2019.08.15","nightly-2019.08.16","nightly-2019.08.17","nightly-2019.08.18","nightly-2019.08.19","nightly-2019.08.20","nightly-2019.08.21","nightly-2019.08.22","nightly-2019.08.23","nightly-2019.08.24","nightly-2019.08.25","nightly-2019.08.26","nightly-2019.08.27","nightly-2019.08.28","nightly-2019.08.29","nightly-2019.08.30","nightly-2019.08.31","nightly-2019.09.01","nightly-2019.09.02","nightly-2019.09.03","nightly-2019.09.04","nightly-2019.09.05","nightly-2019.09.06","nightly-2019.09.07","nightly-2019.09.08","nightly-2019.09.09","nightly-2019.09.10","nightly-2019.09.11","nightly-2019.09.12","nightly-2019.09.13","nightly-2019.09.14","nightly-2019.09.15","nightly-2019.09.16","nightly-2019.09.17","nightly-2019.09.18","nightly-2019.09.19","nightly-2019.09.20","nightly-2019.09.21","nightly-2019.09.22","nightly-2019.09.23","nightly-2019.09.24","nightly-2019.09.25","nightly-2019.09.26","nightly-2019.09.27","nightly-2019.09.28","nightly-2019.09.29","nightly-2019.09.30","nightly-2019.10.01","nightly-2019.10.02","nightly-2019.10.03","nightly-2019.10.04","nightly-2019.10.05","nightly-2019.10.06","nightly-2019.10.07","nightly-2019.10.08","nightly-2019.10.09","nightly-2019.10.10","nightly-2019.10.11","nightly-2019.10.12","nightly-2019.10.13","nightly-2019.10.14","nightly-2019.10.15","nightly-2019.10.16","nightly-2019.10.17","nightly-2019.10.18","nightly-2019.10.19","nightly-2019.10.20","nightly-2019.10.21","nightly-2019.10.22","nightly-2019.10.23","nightly-2019.10.24","nightly-2019.10.25","nightly-2019.10.26","nightly-2019.10.27","nightly-2019.10.2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