VDB

CVE-2016-4538

CVE-2016-4538 PUBLISHED CVSS 9.800000190734863 CRITICAL

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

EPSS 6.06% · 93.3th percentile

Risk Scores

CVSS 3.0
9.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
6.06%
93.3th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSphp5*, 5.5.9+dfsg-1ubuntu1, 5.5.9+dfsg-1ubuntu2
Ubuntu:16.04:LTSphp7.07.0.2-1, 7.0.2-3, 7.0.2-4

Timeline

  • May 6, 2016 CVE Published
  • Feb 4, 2022 EPSS Score
  • May 21, 2022 EPSS Score
  • Jul 13, 2022 EPSS Score
  • Oct 28, 2022 EPSS Score
  • Dec 20, 2022 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Mar 12, 2023 EPSS Score
  • May 28, 2023 EPSS Score
  • Jul 20, 2023 EPSS Score
  • Nov 3, 2023 EPSS Score
  • Dec 26, 2023 EPSS Score
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