ALSA-2026:22644: Security update for 34 packages

ALSA-2026:22644, released June 2, 2026, fixes 5 CVEs across 34 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

2 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.1393

96th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 2
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
ctdb	almalinux 8	4.19.4-16.el8_10
libnetapi	almalinux 8	4.19.4-16.el8_10
libnetapi-devel	almalinux 8	4.19.4-16.el8_10
libsmbclient	almalinux 8	4.19.4-16.el8_10
libsmbclient-devel	almalinux 8	4.19.4-16.el8_10
libwbclient	almalinux 8	4.19.4-16.el8_10
libwbclient-devel	almalinux 8	4.19.4-16.el8_10
python3-samba	almalinux 8	4.19.4-16.el8_10
python3-samba-dc	almalinux 8	4.19.4-16.el8_10
python3-samba-devel	almalinux 8	4.19.4-16.el8_10
python3-samba-test	almalinux 8	4.19.4-16.el8_10
samba	almalinux 8	4.19.4-16.el8_10
samba-client	almalinux 8	4.19.4-16.el8_10
samba-client-libs	almalinux 8	4.19.4-16.el8_10
samba-common	almalinux 8	4.19.4-16.el8_10
samba-common-libs	almalinux 8	4.19.4-16.el8_10
samba-common-tools	almalinux 8	4.19.4-16.el8_10
samba-dc-libs	almalinux 8	4.19.4-16.el8_10
samba-dcerpc	almalinux 8	4.19.4-16.el8_10
samba-devel	almalinux 8	4.19.4-16.el8_10
samba-krb5-printing	almalinux 8	4.19.4-16.el8_10
samba-ldb-ldap-modules	almalinux 8	4.19.4-16.el8_10
samba-libs	almalinux 8	4.19.4-16.el8_10
samba-pidl	almalinux 8	4.19.4-16.el8_10
samba-test	almalinux 8	4.19.4-16.el8_10
samba-test-libs	almalinux 8	4.19.4-16.el8_10
samba-tools	almalinux 8	4.19.4-16.el8_10
samba-usershares	almalinux 8	4.19.4-16.el8_10
samba-vfs-iouring	almalinux 8	4.19.4-16.el8_10
samba-winbind	almalinux 8	4.19.4-16.el8_10
samba-winbind-clients	almalinux 8	4.19.4-16.el8_10
samba-winbind-krb5-locator	almalinux 8	4.19.4-16.el8_10
samba-winbind-modules	almalinux 8	4.19.4-16.el8_10
samba-winexe	almalinux 8	4.19.4-16.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-4480	samba: A flaw was found in the Samba printing subsystem	9.0	0.1393	None reported
Urgent	CVE-2026-4408	samba: A flaw was found in Samba	9.8	0.0250	None reported
High	CVE-2026-2340	samba: A flaw was found in Samba’s vfs_worm module	9.0	0.0094	None reported
High	CVE-2026-1933	samba: A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes	9.0	0.0086	None reported
High	CVE-2026-3012	samba: A flaw was found in Samba’s certificate auto-enrollment Group Policy handling	9.0	0.0026	None reported

Also fixes CVE-2026-4480

OPENSUSE-SU-2026:21540-1
samba on opensuse-leap 16.0
SUSE-SU-2026:23152-1
samba on sles 16.0
ELSA-2026-22963
ldb-tools, libldb, libldb-devel and 34 more on ol 10
RHSA-2026:25049
ctdb, ldb-tools, libldb and 35 more on RHEL 9
ELSA-2026-25049
ldb-tools, libldb, libldb-devel and 34 more on ol 9
RLSA-2026:25049
samba on rocky 9
RLSA-2026:22963
samba on rocky 10
ALSA-2026:25049
ldb-tools, libldb, libldb-devel and 34 more on almalinux 9

Vendor advisory

https://osv.dev/vulnerability/ALSA-2026:22644

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