CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
76.4%
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.
github.com/facebook/hhvm/commit/1c518555dba6ceb45d5ba61845b96e261219c3b7
hhvm.com/blog/2019/10/28/security-update.html
launchpad.net/bugs/cve/CVE-2019-11935
nvd.nist.gov/vuln/detail/CVE-2019-11935
security-tracker.debian.org/tracker/CVE-2019-11935
www.cve.org/CVERecord?id=CVE-2019-11935
www.facebook.com/security/advisories/cve-2019-11935
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
76.4%