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CVE-2016-1000006

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle:...

9.8 Critical

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.57%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
CVE-2016-1000006
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE List No score

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
CVE-2016-1000006
Updated
2026-11-02
EUVDEUVD-2016-1015 No score

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
EUVD-2016-1015
Updated
2026-11-03
GitHub AdvisoriesGHSA-j59w-vmvh-rmmh No score

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle:...

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
GHSA-j59w-vmvh-rmmh
Updated
2026-11-02
OSV 9.8

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
CVE-2016-1000006
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-04
OSVUBUNTU-CVE-2016-1000006 9.8

hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.

Record
UBUNTU-CVE-2016-1000006
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
hhvm
Ubuntu:16.04:LTS
All versions, plus listed versions
3.11.0+dfsg-13.11.1+dfsg-13.11.1+dfsg-1ubuntu1
None known

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-1000006 is a critical vulnerability (CVSS 9.8) in Facebook Hhvm, published November 19, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.

References

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