CVE-2016-6871

CRITICAL 9.8CVE-2016-6871 · Published 17/02/2017 · updated 17/06/2026

In short

CVE-2016-6871 is a CRITICAL (CVSS 9.8) vulnerability affecting hhvm (facebook).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
hhvm facebook	`≤ 3.14.5`	No fix yet

Description

Integer overflow in bcmath in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors, which triggers a buffer overflow.

References

openwall.com/lists/oss-security/2016/08/11/1 · Mailing List
openwall.com/lists/oss-security/2016/08/19/1 · Mailing List
facebook/hhvm commit c00fc9d · Patch

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Package

Affected versions

Patched versions

hhvm

facebook

≤ 3.14.5

No fix yet

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