Vulnerability Monitor

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CVE-2016-5270

Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.

Published

2016-09-22T22:59:03.677

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-119
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox ≤ 48.0.2 Yes
Application mozilla firefox 45.1.0 Yes
Application mozilla firefox 45.1.1 Yes
Application mozilla firefox 45.2.0 Yes
Application mozilla firefox 45.3.0 Yes
References