Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-4314

Use After Free

Published: Apr 03, 2019 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-4314
CWEhttps://cwe.mitre.org/data/definitions/416.html

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

NameVendorStart VersionEnd Version
SafariApple*12 (excluding)
Iphone_osApple*12.0 (excluding)
TvosApple*12 (excluding)
QtwebkitUbuntueoan*
Qtwebkit-opensource-srcUbuntubionic*
Qtwebkit-opensource-srcUbuntucosmic*
Qtwebkit-opensource-srcUbuntudevel*
Qtwebkit-opensource-srcUbuntudisco*
Qtwebkit-opensource-srcUbuntueoan*
Qtwebkit-opensource-srcUbuntuesm-apps/bionic*
Qtwebkit-opensource-srcUbuntuesm-apps/focal*
Qtwebkit-opensource-srcUbuntuesm-apps/jammy*
Qtwebkit-opensource-srcUbuntuesm-apps/noble*
Qtwebkit-opensource-srcUbuntuesm-infra/xenial*
Qtwebkit-opensource-srcUbuntufocal*
Qtwebkit-opensource-srcUbuntugroovy*
Qtwebkit-opensource-srcUbuntuhirsute*
Qtwebkit-opensource-srcUbuntuimpish*
Qtwebkit-opensource-srcUbuntujammy*
Qtwebkit-opensource-srcUbuntukinetic*
Qtwebkit-opensource-srcUbuntulunar*
Qtwebkit-opensource-srcUbuntumantic*
Qtwebkit-opensource-srcUbuntunoble*
Qtwebkit-opensource-srcUbuntutrusty*
Qtwebkit-opensource-srcUbuntuupstream*
Qtwebkit-opensource-srcUbuntuxenial*
Qtwebkit-sourceUbuntubionic*
Qtwebkit-sourceUbuntucosmic*
Qtwebkit-sourceUbuntudisco*
Qtwebkit-sourceUbuntuesm-apps/bionic*
Qtwebkit-sourceUbuntuesm-apps/xenial*
Qtwebkit-sourceUbuntutrusty*
Qtwebkit-sourceUbuntuxenial*
Webkit2gtkUbuntubionic*
Webkit2gtkUbuntucosmic*
Webkit2gtkUbuntudevel*
Webkit2gtkUbuntudisco*
Webkit2gtkUbuntueoan*
Webkit2gtkUbuntuesm-infra/bionic*
Webkit2gtkUbuntuesm-infra/focal*
Webkit2gtkUbuntuesm-infra/xenial*
Webkit2gtkUbuntufocal*
Webkit2gtkUbuntugroovy*
Webkit2gtkUbuntuhirsute*
Webkit2gtkUbuntuimpish*
Webkit2gtkUbuntujammy*
Webkit2gtkUbuntukinetic*
Webkit2gtkUbuntulunar*
Webkit2gtkUbuntumantic*
Webkit2gtkUbuntunoble*
Webkit2gtkUbuntuupstream*
Webkit2gtkUbuntuxenial*
WebkitgtkUbuntubionic*
WebkitgtkUbuntucosmic*
WebkitgtkUbuntuesm-apps/bionic*
WebkitgtkUbuntuesm-apps/xenial*
WebkitgtkUbuntutrusty*
WebkitgtkUbuntuxenial*

Potential Mitigations

References

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