This update for webkit2gtk3 fixes the following issues :

-webkit2gtk3 was updated to version 2.30.3 (bsc#1179122 bsc#1179451) :

  - CVE-2021-13543: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-13584: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9948: Fixed a type confusion which could have     led to arbitrary code execution.

  - CVE-2021-9951: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9983: Fixed an out of bounds write which could     have led to arbitrary code execution.

  - Have the libwebkit2gtk package require     libjavascriptcoregtk of the same version (bsc#1171531).

  - Enable c_loop on aarch64: currently needed for     compilation to succeed with JIT disabled. Also disable     sampling profiler, since it conflicts with c_loop     (bsc#1177087).

This update was imported from the SUSE:SLE-15:Update update project.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2020-13584)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1586 advisory.

    GNOME is the default desktop environment of Red Hat Enterprise Linux.

    The following packages have been upgraded to a later upstream version: accountsservice (0.6.55),     webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)

    Security Fix(es):

    * webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951)

    * webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543)

    * webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584)

    * glib2: insecure permissions for files and directories (CVE-2019-13012)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1586 advisory.

  - glib2: insecure permissions for files and directories (CVE-2019-13012)

  - webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543, CVE-2020-13584,     CVE-2020-9951)

  - webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948)

  - webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2176:01 advisory.

    * webkitgtk: type confusion may lead to arbitrary code execution     (CVE-2020-9948)
      * webkitgtk: use-after-free may lead to arbitrary code execution     (CVE-2020-9951)
      * webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983)
      * webkitgtk: use-after-free may lead to arbitrary code execution     (CVE-2020-13543)
      * webkitgtk: use-after-free may lead to arbitrary code execution     (CVE-2020-13584)
      * glib2: insecure permissions for files and directories (CVE-2019-13012)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The following vulnerabilities have been discovered in the webkit2gtk web engine :

  - CVE-2020-9948     Brendan Draper discovered that processing maliciously     crafted web content may lead to arbitrary code     execution.

  - CVE-2020-9951     Marcin Noga discovered that processing maliciously     crafted web content may lead to arbitrary code     execution.

  - CVE-2020-9983     zhunki discovered that processing maliciously crafted     web content may lead to code execution.

  - CVE-2020-13584     Cisco discovered that processing maliciously crafted web     content may lead to arbitrary code execution.

This update for webkit2gtk3 fixes the following issues :

-webkit2gtk3 was updated to version 2.30.3 (bsc#1179122 bsc#1179451) :

  - CVE-2021-13543: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-13584: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9948: Fixed a type confusion which could have     led to arbitrary code execution.

  - CVE-2021-9951: Fixed a use after free which could have     led to arbitrary code execution.

  - CVE-2021-9983: Fixed an out of bounds write which could     have led to arbitrary code execution.

  - Have the libwebkit2gtk package require     libjavascriptcoregtk of the same version (bsc#1171531).

  - Enable c_loop on aarch64: currently needed for     compilation to succeed with JIT disabled. Also disable     sampling profiler, since it conflicts with c_loop     (bsc#1177087).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
145374	openSUSE Security Update : webkit2gtk3 (openSUSE-2020-2304)	Nessus	SuSE Local Security Checks	2021/1/25	2024/1/26	high
258179	Linux Distros Unpatched Vulnerability : CVE-2020-13584	Nessus	Misc.	2025/8/30	2026/7/17	high
149698	RHEL 8 : GNOME (RHSA-2021:1586)	Nessus	Red Hat Local Security Checks	2021/5/19	2025/3/19	high
149741	CentOS 8 : GNOME (CESA-2021:1586)	Nessus	CentOS Local Security Checks	2021/5/19	2024/1/1	high
291643	MiracleLinux 8 : GNOME (AXSA:2021-2176:01)	Nessus	Miracle Linux Local Security Checks	2026/1/19	2026/1/19	high
143260	Debian DSA-4797-1 : webkit2gtk - security update	Nessus	Debian Local Security Checks	2020/11/25	2024/2/8	high
145331	openSUSE Security Update : webkit2gtk3 (openSUSE-2020-2310)	Nessus	SuSE Local Security Checks	2021/1/25	2024/1/26	high

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