cve.bz

CVE-2020-1916

9.8 criticalEPSS 1.4%

Critical (9.8) in facebook hhvm. EPSS 1.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWEs
CWE-787, CWE-122
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON