cbcvebase.
CVE-2020-1916
published 2021-03-10

CVE-2020-1916: 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…

PriorityP349critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.38%
68.8th percentile
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.

Affected

9 ranges
VendorProductVersion rangeFixed in
facebookhhvm< 4.56.24.56.2
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm>= 4.57.0 < unspecifiedunspecified
facebookhhvm>= 4.57.0 < 4.78.14.78.1
facebookhhvm>= unspecified < 4.56.24.56.2

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.