cbcvebase.
CVE-2019-11929
published 2019-10-02

CVE-2019-11929: Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code…

PriorityP262critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
4.03%
89.3th percentile
Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.

Affected

28 ranges· showing 25
VendorProductVersion rangeFixed in
facebookhhvm< 3.30.103.30.10
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm
facebookhhvm>= 4.0.0 < unspecifiedunspecified
facebookhhvm4.0.0 – 4.8.5
facebookhhvm>= 4.19.0 < unspecifiedunspecified
facebookhhvm>= 4.20.0 < unspecifiedunspecified
facebookhhvm>= 4.21.0 < unspecifiedunspecified
facebookhhvm>= 4.22.0 < unspecifiedunspecified
facebookhhvm>= 4.23.0 < unspecifiedunspecified

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.