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Status published
Critical
CVE-2019-11929
Insufficient boundary checks when formatting numbers in number_format allows read/write...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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0
Affected Vendor
Affected Software
HHVM
Vulnerable Versions:
4.24.0, 4.23.2, 4.23.0, 4.22.1, 4.22.0, 4.21.1, 4.21.0, 4.20.3, 4.20.0, 4.19.2, 4.19.0, 4.18.3, 4.9.0, 4.8.5, 4.0.0, 3.30.11, unspecified
Timeline
Official Publish:
October 2nd, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H