Description
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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://hhvm.com/blog/2019/10/28/security-update.html
Patch, Third Party Advisory x_refsource_confirm
https://github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7
Vendor Advisory x_refsource_confirm
https://www.facebook.com/security/advisories/cve-2019-11935
Scores
CVSS v3
9.8
EPSS
0.0064
EPSS Percentile
70.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
CWE-120
Status
published
Products (7)
facebook/hhvm
4.24.0
facebook/hhvm
4.25.0
facebook/hhvm
4.26.0
facebook/hhvm
4.27.0
facebook/hhvm
4.28.0
facebook/hhvm
4.28.1
facebook/hhvm
< 3.30.12
Published
Dec 04, 2019
Tracked Since
Feb 18, 2026