9.8crit

CVE-2016-6870

Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allow…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 83%
Public exploits
0
none known

Summary

Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.

Exploit prediction (EPSS)

2.21% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2016/08/11/1 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/08/19/1 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.