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CVE Vulnerabilities

CVE-2020-13584

Use After Free

Published: Dec 03, 2020 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/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
8.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-13584
CWEhttps://cwe.mitre.org/data/definitions/416.html

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

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 Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.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
WebkitgtkWebkitgtk2.30.1 (including)2.30.1 (including)
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatwebkitgtk4-0:2.48.3-2.el7_9*
Red Hat Enterprise Linux 8RedHatwebkit2gtk3-0:2.30.4-1.el8*
QtwebkitUbuntutrusty*
Qtwebkit-opensource-srcUbuntubionic*
Qtwebkit-opensource-srcUbuntudevel*
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-sourceUbuntuesm-apps/bionic*
Qtwebkit-sourceUbuntuesm-apps/xenial*
Qtwebkit-sourceUbuntutrusty*
Qtwebkit-sourceUbuntuxenial*
Webkit2gtkUbuntubionic*
Webkit2gtkUbuntudevel*
Webkit2gtkUbuntuesm-infra/bionic*
Webkit2gtkUbuntuesm-infra/focal*
Webkit2gtkUbuntuesm-infra/xenial*
Webkit2gtkUbuntufocal*
Webkit2gtkUbuntugroovy*
Webkit2gtkUbuntuhirsute*
Webkit2gtkUbuntuimpish*
Webkit2gtkUbuntujammy*
Webkit2gtkUbuntukinetic*
Webkit2gtkUbuntulunar*
Webkit2gtkUbuntumantic*
Webkit2gtkUbuntunoble*
Webkit2gtkUbuntuupstream*
Webkit2gtkUbuntuxenial*
WebkitgtkUbuntubionic*
WebkitgtkUbuntuesm-apps/bionic*
WebkitgtkUbuntuesm-apps/xenial*
WebkitgtkUbuntutrusty*
WebkitgtkUbuntuxenial*
WpewebkitUbuntuesm-apps/focal*
WpewebkitUbuntuesm-apps/jammy*
WpewebkitUbuntufocal*
WpewebkitUbuntugroovy*
WpewebkitUbuntuhirsute*
WpewebkitUbuntuimpish*
WpewebkitUbuntujammy*
WpewebkitUbuntutrusty*

Potential Mitigations

References

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