ALSA-2025:23700: Security update for 4 packages

ALSA-2025:23700, released December 18, 2025, fixes 6 CVEs across 4 products. One of them is being exploited (CVE-2025-43529); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2025-43529

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.3414

98th percentile

Priority of the 6 CVEs

Patch now 1
                                Urgent 0
                                High 5
                                Routine 0

Fixed package versions

Product	Release	Fixed in
webkit2gtk3	almalinux 9	2.50.4-1.el9_7
webkit2gtk3-devel	almalinux 9	2.50.4-1.el9_7
webkit2gtk3-jsc	almalinux 9	2.50.4-1.el9_7
webkit2gtk3-jsc-devel	almalinux 9	2.50.4-1.el9_7

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2025-43529	dyld: An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.	8.8	0.2565	KEVExploited
High	CVE-2025-43541	WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash	8.8	0.3414	None reported
High	CVE-2025-43535	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0085	None reported
High	CVE-2025-43501	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0077	None reported
High	CVE-2025-43536	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0058	None reported
High	CVE-2025-43531	WebKit: Processing maliciously crafted web content may lead to an unexpected process crash	8.8	0.0045	None reported

Also fixes CVE-2025-43529

Tahoe 26.3
Tahoe
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
Tahoe 26.2
Tahoe
RHSA-2025:23700
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on RHEL 9
RHSA-2025:23663
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on RHEL 8
ALSA-2025:23663
webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on almalinux 8

Vendor advisory

https://osv.dev/vulnerability/ALSA-2025:23700

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