CVE-2019-11935

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve-assign@fb.com

Published

2019-12-04

Last modified

2024-08-04

Weaknesses

CWE-120, CWE-125

Affected products

• Hhvm (Facebook)

References

• https://github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7
• https://hhvm.com/blog/2019/10/28/security-update.html
• https://www.facebook.com/security/advisories/cve-2019-11935