cve.bz

CVE-2019-11935

9.8 criticalEPSS 1.5%

Critical (9.8) in facebook hhvm. EPSS 1.5% chance of exploitation in the next 30 days.

Insufficient boundary checks when processing a string in mb_ereg_replace allows access to out-of-bounds memory. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

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
1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWEs
CWE-120, CWE-125
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON