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CVE-2019-11929

nvd nist
Published: Oct 2, 2019Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (11)

Products: Facebook: Hhvm
Facebook
1 product
Hhvm
Configuration A
11 vulnerable
Vulnerable SoftwareAffected Versions
Facebook
Hhvm
Before 3.30.10
Hhvm
From 4.0.0 to 4.8.5
Hhvm
From 4.9.0 to 4.18.2
Hhvm
Version 4.19.0
Hhvm
Version 4.19.1
Hhvm
Version 4.20.0
Hhvm
Version 4.20.1
Hhvm
Version 4.20.2
Hhvm
Version 4.21.0
Hhvm
Version 4.22.0
Hhvm
Version 4.23.0

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

Source: cve-assign@fb.com
PatchThird Party Advisory
Source: cve-assign@fb.com
Vendor Advisory
Source: cve-assign@fb.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.