CVEvulnerability
CVE-2020-1916
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-03-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-122, CWE-787
Description
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.
Affected configurations
• facebook hhvm (< 4.56.2)
• facebook hhvm (>= 4.57.0 < 4.78.1)
• facebook hhvm 4.79.0
• facebook hhvm 4.80.0
• facebook hhvm 4.81.0
• facebook hhvm 4.82.0
• facebook hhvm 4.83.0
Related
References
- https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 Patch, Third Party Advisory
- https://hhvm.com/blog/2020/11/12/security-update.html Release Notes, Vendor Advisory
- https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 Patch, Third Party Advisory
- https://hhvm.com/blog/2020/11/12/security-update.html Release Notes, Vendor Advisory