Name: CVE-2018-18503: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2019-02-05T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-18503, CWE-119, CVSS 8.8, EPSS 0.02301

When JavaScript is used to create and manipulate an audio buffer, a potentially exploitable crash may occur because of a compartment mismatch in some situations. This vulnerability affects Firefox < 65.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Feb 5, 2019
Freebsd	—	Upgrade linux-thunderbirdUpgrade libxulUpgrade waterfoxUpgrade linux-firefoxUpgrade firefoxUpgrade thunderbirdUpgrade seamonkeyUpgrade linux-seamonkeyUpgrade firefox-esr	Jan 30, 2019	Jan 29, 2019
Mfsa2019 01	—	Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 65.0	Jan 30, 2019	Jan 29, 2019
Ubuntu	—	Upgrade firefox	Feb 5, 2019	Jan 29, 2019

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CVSS Details

Covered by Rapid7

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