Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2018-5095

Disclosure Date: June 11, 2018
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Description

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

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CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • mozilla,
  • redhat

Products

  • debian linux 8.0,
  • debian linux 9.0,
  • enterprise linux 6.0,
  • enterprise linux 7.0,
  • enterprise linux desktop 6.0,
  • enterprise linux desktop 7.0,
  • enterprise linux server 6.0,
  • enterprise linux server 7.0,
  • enterprise linux server aus 7.3,
  • enterprise linux server aus 7.4,
  • enterprise linux server eus 7.3,
  • enterprise linux server eus 7.4,
  • enterprise linux server eus 7.5,
  • enterprise linux workstation 6.0,
  • enterprise linux workstation 7.0,
  • firefox,
  • firefox esr,
  • thunderbird,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 17.10
Technical Analysis