libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1: libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)

libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1, released March 18, 2022, fixes 4 CVEs in libjavascriptcoregtk-4.0-18. One of them is being exploited (CVE-2022-22620); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVUnsupported product

CVEs closed

None rated Critical

Exploited

CVE-2022-22620

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.1634

97th percentile

Priority of the 4 CVEs

Patch now 1
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
libjavascriptcoregtk-4.0-18	Ubuntu 20.04 LTS (focal)	2.34.6-0ubuntu0.20.04.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2022-22620	gir1.2-javascriptcoregtk-4.0: A use after free issue was addressed with improved memory management	8.8	0.1634	KEVExploited
High	CVE-2022-22589	gir1.2-javascriptcoregtk-4.0: A validation issue was addressed with improved input sanitization	8.8	0.0201	None reported
High	CVE-2022-22592	gir1.2-javascriptcoregtk-4.0: A logic issue was addressed with improved state management	8.8	0.0162	None reported
High	CVE-2022-22590	libjavascriptcoregtk-4.0-18: A use after free issue was addressed with improved memory management	8.8	0.0156	None reported

Also fixes CVE-2022-22620

ELSA-2022-1777
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on ol 8
ALSA-2022:1777
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on almalinux 8
RLSA-2022:1777
webkit2gtk3 on rocky 8
RHSA-2022:1777
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on RHEL 8
gir1.2-javascriptcoregtk-4.0 2.34.6-0ubuntu0.20.04.1
gir1.2-javascriptcoregtk-4.0 on Ubuntu 20.04 LTS (focal)
gir1.2-webkit2-4.0 2.34.6-0ubuntu0.20.04.1
gir1.2-webkit2-4.0 on Ubuntu 20.04 LTS (focal)
libjavascriptcoregtk-4.0-bin 2.34.6-0ubuntu0.20.04.1
libjavascriptcoregtk-4.0-bin on Ubuntu 20.04 LTS (focal)
libwebkit2gtk-4.0-37 2.34.6-0ubuntu0.20.04.1
libwebkit2gtk-4.0-37 on Ubuntu 20.04 LTS (focal)

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