CVEvulnerability

CVE-2017-7813

8.2 HIGH Published 2018-06-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-06-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.2 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
CWE-125, CWE-704

Description

Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax. This vulnerability affects Firefox < 56.

Affected configurations

• mozilla firefox (<= 55.0.3)

Related

Weakness · CWE (2)

  • CWE-125 Out-of-bounds Read weakness
  • CWE-704 Incorrect Type Conversion or Cast weakness

References