ALSA-2025:22789: Security update for 4 packages

ALSA-2025:22789, released December 8, 2025, fixes 21 CVEs across 4 products. One of them is being exploited (CVE-2023-43000); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2023-43000

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0404

90th percentile

Priority of the 21 CVEs

Patch now 1
                                Urgent 0
                                High 20
                                Routine 0

Fixed package versions

Product	Release	Fixed in
webkit2gtk3	almalinux 8	2.50.3-1.el8_10
webkit2gtk3-devel	almalinux 8	2.50.3-1.el8_10
webkit2gtk3-jsc	almalinux 8	2.50.3-1.el8_10
webkit2gtk3-jsc-devel	almalinux 8	2.50.3-1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2023-43000	webkit2gtk3: This update for webkit2gtk3 fixes the following issues: Update to version 2.50.4. Security issues fixed: - CVE-202...	8.8	0.0404	KEVExploited
High	CVE-2025-43429	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0145	None reported
High	CVE-2025-43434	gir1.2-javascriptcoregtk-4.1: A use-after-free issue was addressed with improved memory management	8.8	0.0128	None reported
High	CVE-2025-43433	WebKit: Processing maliciously crafted web content may lead to memory corruption	8.8	0.0117	None reported
High	CVE-2025-43438	WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash	8.8	0.0111	None reported
High	CVE-2025-43430	gir1.2-javascriptcoregtk-4.1: This issue was addressed through improved state management	8.8	0.0109	None reported
High	CVE-2025-43441	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0096	None reported
High	CVE-2025-43431	gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling	8.8	0.0086	None reported
High	CVE-2025-43432	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0084	None reported
High	CVE-2025-43443	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0072	None reported
High	CVE-2025-43425	gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling	8.8	0.0071	None reported
High	CVE-2025-43421	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0064	None reported
High	CVE-2025-13502	webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkit:...	8.8	0.0062	None reported
High	CVE-2025-43458	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0061	None reported
High	CVE-2025-43427	gir1.2-javascriptcoregtk-4.1: This issue was addressed through improved state management	8.8	0.0055	None reported
High	CVE-2025-43440	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0051	None reported
High	CVE-2025-66287	gir1.2-webkit2-4.1: A flaw was found in WebKitGTK	8.8	0.0051	None reported
High	CVE-2025-43392	WebKit Canvas: A website may exfiltrate image data cross-origin	8.8	0.0050	None reported
High	CVE-2025-43480	WebKit: A malicious website may exfiltrate data cross-origin	8.8	0.0049	None reported
High	CVE-2025-43419	WebKit: Processing maliciously crafted web content may lead to memory corruption	8.8	0.0040	None reported
High	CVE-2025-13947	webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkit:...	8.8	0.0036	None reported

Also fixes CVE-2023-43000

SUSE-SU-2026:20102-1
webkit2gtk3, webkit2gtk4 on sles 16.0
OPENSUSE-SU-2026:20065-1
webkit2gtk3, webkit2gtk3-soup2, webkit2gtk4 on opensuse-leap 16.0
SUSE-SU-2026:0021-1
webkit2gtk3, webkit2gtk3-soup2, webkit2gtk4 on opensuse-leap 15.6, sles 15.6, sles 15.7
gir1.2-javascriptcoregtk-4.0 2.42.1-0ubuntu0.22.04.1
gir1.2-javascriptcoregtk-4.0 on Ubuntu 22.04.1 LTS (jammy)
gir1.2-javascriptcoregtk-4.1 2.42.1-0ubuntu0.22.04.1
gir1.2-javascriptcoregtk-4.1 on Ubuntu 22.04.1 LTS (jammy)
gir1.2-javascriptcoregtk-6.0 2.42.1-0ubuntu0.22.04.1
gir1.2-javascriptcoregtk-6.0 on Ubuntu 22.04.1 LTS (jammy)
gir1.2-webkit-6.0 2.42.1-0ubuntu0.22.04.1
gir1.2-webkit-6.0 on Ubuntu 22.04.1 LTS (jammy)
gir1.2-webkit2-4.0 2.42.1-0ubuntu0.22.04.1
gir1.2-webkit2-4.0 on Ubuntu 22.04.1 LTS (jammy)

Vendor advisory

https://osv.dev/vulnerability/ALSA-2025:22789

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