RLSA-2026:25930

Synopsis

Important: postfix security update

Description

The postfix packages provide a Mail Transport Agent (MTA), which supports protocols like LDAP, SMTP AUTH (SASL), and TLS.

Security Fix(es):

* postfix: buffer over-read via malformed enhanced status code (CVE-2026-43964)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2466488

CVEs

CVE-2026-43964

Affected packages

Rocky Linux 10 x86_64 - AppStream

postfix-sqlite-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-mysql-2:3.8.5-10.el10_2.x86_64.rpm postfix-pcre-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-2:3.8.5-10.el10_2.x86_64.rpm postfix-perl-scripts-2:3.8.5-10.el10_2.x86_64.rpm postfix-mysql-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-pgsql-2:3.8.5-10.el10_2.x86_64.rpm postfix-pcre-2:3.8.5-10.el10_2.x86_64.rpm postfix-cdb-2:3.8.5-10.el10_2.x86_64.rpm postfix-2:3.8.5-10.el10_2.src.rpm postfix-debugsource-2:3.8.5-10.el10_2.x86_64.rpm postfix-lmdb-2:3.8.5-10.el10_2.x86_64.rpm postfix-sqlite-2:3.8.5-10.el10_2.x86_64.rpm postfix-pgsql-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-cdb-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-ldap-2:3.8.5-10.el10_2.x86_64.rpm postfix-ldap-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm postfix-lmdb-debuginfo-2:3.8.5-10.el10_2.x86_64.rpm

Rocky Linux 10 ppc64le - AppStream

postfix-lmdb-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-cdb-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-ldap-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-lmdb-2:3.8.5-10.el10_2.ppc64le.rpm postfix-pcre-2:3.8.5-10.el10_2.ppc64le.rpm postfix-pcre-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-pgsql-2:3.8.5-10.el10_2.ppc64le.rpm postfix-mysql-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-perl-scripts-2:3.8.5-10.el10_2.ppc64le.rpm postfix-pgsql-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-2:3.8.5-10.el10_2.ppc64le.rpm postfix-2:3.8.5-10.el10_2.src.rpm postfix-mysql-2:3.8.5-10.el10_2.ppc64le.rpm postfix-cdb-2:3.8.5-10.el10_2.ppc64le.rpm postfix-ldap-2:3.8.5-10.el10_2.ppc64le.rpm postfix-debugsource-2:3.8.5-10.el10_2.ppc64le.rpm postfix-sqlite-2:3.8.5-10.el10_2.ppc64le.rpm postfix-sqlite-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm postfix-debuginfo-2:3.8.5-10.el10_2.ppc64le.rpm

Rocky Linux 10 aarch64 - AppStream

postfix-ldap-2:3.8.5-10.el10_2.aarch64.rpm postfix-debugsource-2:3.8.5-10.el10_2.aarch64.rpm postfix-cdb-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-ldap-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-pcre-2:3.8.5-10.el10_2.aarch64.rpm postfix-pcre-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-mysql-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-lmdb-2:3.8.5-10.el10_2.aarch64.rpm postfix-2:3.8.5-10.el10_2.src.rpm postfix-mysql-2:3.8.5-10.el10_2.aarch64.rpm postfix-cdb-2:3.8.5-10.el10_2.aarch64.rpm postfix-2:3.8.5-10.el10_2.aarch64.rpm postfix-pgsql-2:3.8.5-10.el10_2.aarch64.rpm postfix-perl-scripts-2:3.8.5-10.el10_2.aarch64.rpm postfix-sqlite-2:3.8.5-10.el10_2.aarch64.rpm postfix-sqlite-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-lmdb-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm postfix-pgsql-debuginfo-2:3.8.5-10.el10_2.aarch64.rpm

Rocky Linux 10 s390x - AppStream

postfix-ldap-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-ldap-2:3.8.5-10.el10_2.s390x.rpm postfix-pcre-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-cdb-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-perl-scripts-2:3.8.5-10.el10_2.s390x.rpm postfix-mysql-2:3.8.5-10.el10_2.s390x.rpm postfix-pcre-2:3.8.5-10.el10_2.s390x.rpm postfix-pgsql-2:3.8.5-10.el10_2.s390x.rpm postfix-sqlite-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-debugsource-2:3.8.5-10.el10_2.s390x.rpm postfix-cdb-2:3.8.5-10.el10_2.s390x.rpm postfix-lmdb-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-mysql-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-pgsql-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-2:3.8.5-10.el10_2.src.rpm postfix-2:3.8.5-10.el10_2.s390x.rpm postfix-sqlite-2:3.8.5-10.el10_2.s390x.rpm postfix-debuginfo-2:3.8.5-10.el10_2.s390x.rpm postfix-lmdb-2:3.8.5-10.el10_2.s390x.rpm

Rocky Linux 10 riscv64 - AppStream

postfix-2:3.8.5-10.el10_2.src.rpm