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CVE-2016-6873

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified...

9.8 Critical

CVE-2016-6873 is a critical vulnerability (CVSS 9.8) in Facebook Hhvm, published February 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.22%, the 82nd percentile. No source names a fixed version.

What does this mean?
Severity
9.8 CriticalCVSS 3.0, NVD
Exploit chance
2.22%EPSS, 82nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

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

2.22%Up 1.3 points since Feb 4, 2022
90%50%10%1%

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

What each source reports

NVD Score used9.8

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
CVE-2016-6873
CVSS 3.0
9.8 CriticalCVSS:3.0/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
Updated
2026-11-02
CVE ListNo score

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
CVE-2016-6873
Updated
2026-11-02
EUVDEUVD-2016-7758No score

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
EUVD-2016-7758
Updated
2026-11-03
GitHub AdvisoriesGHSA-hj8w-h393-6h4r9.8

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified...

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
GHSA-hj8w-h393-6h4r
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV9.8

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
CVE-2016-6873
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-04
OSVUBUNTU-CVE-2016-68739.8

Self recursion in compact in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Record
UBUNTU-CVE-2016-6873
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

History

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

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

References

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