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Oracle Linux 8 Samba Important Buffer Overflow Advisory ELSA-2026-22644

oracle
Calendar Grey June 8, 2026
Oracle Linux Logo Esm H88
Oracle Linux 8 advisory updates critical Samba issues to protect against buffer overflow and other threats.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[4.19.4-16.0.1] - s3: winbindd: winbindd_pam: fix leak in extract_pac_vrfy_sigs [Orabug: 36518285] - s3:passdb: Do not leak memory in pdb_tdb [Orabug: 36371377] - Gluster volumes not accessible via Samba due to missing samba-vfs-glusterfs in OL8 [Orabug: 30205755] [4.19.4-16] - resolves: RHEL-156322 - Fix CVE-2026-3012 - resolves: RHEL-161647 - Fix CVE-2026-4480 - resolves: RHEL-177933 - Fix CVE-2026-4408 - resolves: RHEL-166866 - Build hardening, stack protection with FORTIFY_SOURCE

Topics%20covered

Topics Covered

security advisory buffer overflow samba vulnerability important Oracle

SRPMs


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http://oss.oracle.com/ol8/SRPMS-updates/samba-4.19.4-16.0.1.el8_10.src.rpm

x86_64

ctdb-4.19.4-16.0.1.el8_10.x86_64.rpm libnetapi-4.19.4-16.0.1.el8_10.i686.rpm libnetapi-4.19.4-16.0.1.el8_10.x86_64.rpm libnetapi-devel-4.19.4-16.0.1.el8_10.i686.rpm libnetapi-devel-4.19.4-16.0.1.el8_10.x86_64.rpm libsmbclient-4.19.4-16.0.1.el8_10.i686.rpm libsmbclient-4.19.4-16.0.1.el8_10.x86_64.rpm libsmbclient-devel-4.19.4-16.0.1.el8_10.i686.rpm libsmbclient-devel-4.19.4-16.0.1.el8_10.x86_64.rpm libwbclient-4.19.4-16.0.1.el8_10.i686.rpm libwbclient-4.19.4-16.0.1.el8_10.x86_64.rpm libwbclient-devel-4.19.4-16.0.1.el8_10.i686.rpm libwbclient-devel-4.19.4-16.0.1.el8_10.x86_64.rpm python3-samba-4.19.4-16.0.1.el8_10.i686.rpm python3-samba-4.19.4-16.0.1.el8_10.x86_64.rpm python3-samba-dc-4.19.4-16.0.1.el8_10.x86_64.rpm python3-samba-devel-4.19.4-16.0.1.el8_10.i686.rpm python3-samba-devel-4.19.4-16.0.1.el8_10.x86_64.rpm python3-samba-test-4.19.4-16.0.1.el8_10.x86_64.rpm samba-4.19.4-16.0.1.el8_10.x86_64.rpm samba-client-4.19.4-16.0.1.el8_10.x86_64.rpm samba-client-libs-4.19.4-16.0.1.el8_1...

Read the Full Advisory

aarch64

ctdb-4.19.4-16.0.1.el8_10.aarch64.rpm libnetapi-4.19.4-16.0.1.el8_10.aarch64.rpm libnetapi-devel-4.19.4-16.0.1.el8_10.aarch64.rpm libsmbclient-4.19.4-16.0.1.el8_10.aarch64.rpm libsmbclient-devel-4.19.4-16.0.1.el8_10.aarch64.rpm libwbclient-4.19.4-16.0.1.el8_10.aarch64.rpm libwbclient-devel-4.19.4-16.0.1.el8_10.aarch64.rpm python3-samba-4.19.4-16.0.1.el8_10.aarch64.rpm python3-samba-dc-4.19.4-16.0.1.el8_10.aarch64.rpm python3-samba-devel-4.19.4-16.0.1.el8_10.aarch64.rpm python3-samba-test-4.19.4-16.0.1.el8_10.aarch64.rpm samba-4.19.4-16.0.1.el8_10.aarch64.rpm samba-client-4.19.4-16.0.1.el8_10.aarch64.rpm samba-client-libs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-common-4.19.4-16.0.1.el8_10.noarch.rpm samba-common-libs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-common-tools-4.19.4-16.0.1.el8_10.aarch64.rpm samba-dc-libs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-dcerpc-4.19.4-16.0.1.el8_10.aarch64.rpm samba-devel-4.19.4-16.0.1.el8_10.aarch64.rpm samba-krb5-printing-4.19.4-16.0.1.el8_10.aarch64.rpm samba-ldb-ldap-modules-4.19.4-16.0.1.el8_10.aarch64.rpm samba-libs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-pidl-4.19.4-16.0.1.el8_10.noarch.rpm samba-test-4.19.4-16.0.1.el8_10.aarch64.rpm samba-test-libs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-tools-4.19.4-16.0.1.el8_10.aarch64.rpm samba-usershares-4.19.4-16.0.1.el8_10.aarch64.rpm samba-vfs-glusterfs-4.19.4-16.0.1.el8_10.aarch64.rpm samba-vfs-iouring-4.19.4-16.0.1.el8_10.aarch64.rpm samba-winbind-4.19.4-16.0.1.el8_10.aarch64.rpm samba-winbind-clients-4.19.4-16.0.1.el8_10.aarch64.rpm samba-winbind-krb5-locator-4.19.4-16.0.1.el8_10.aarch64.rpm samba-winbind-modules-4.19.4-16.0.1.el8_10.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-3012 CVE-2026-4408 CVE-2026-4480

Topics%20covered

Topics Covered

security advisory buffer overflow samba vulnerability important Oracle

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