CVE-2020-1916
moderate-risk
Published 2021-03-10
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.
Do I need to act?
-
0.81% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Vendors
References (4)
Release Notes
https://hhvm.com/blog/2020/11/12/security-update.html
Release Notes
https://hhvm.com/blog/2020/11/12/security-update.html
48
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
3/34 · Minimal
Exposure
13/34 · Low