🛡️ ALSA-2026:25930 — postfix
Description
Important: postfix security update
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 software
ALSA-2026:25930 is recorded against 9 packages.
- postfix (fixed in 2:3.8.5-10.el10_2)
- postfix-cdb (fixed in 2:3.8.5-10.el10_2)
- postfix-ldap (fixed in 2:3.8.5-10.el10_2)
- postfix-lmdb (fixed in 2:3.8.5-10.el10_2)
- postfix-mysql (fixed in 2:3.8.5-10.el10_2)
- postfix-pcre (fixed in 2:3.8.5-10.el10_2)
- postfix-perl-scripts (fixed in 2:3.8.5-10.el10_2)
- postfix-pgsql (fixed in 2:3.8.5-10.el10_2)
- postfix-sqlite (fixed in 2:3.8.5-10.el10_2)
Timeline and source
Published on 15 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
access.redhat.com (Advisory)
access.redhat.com (Report)
bugzilla.redhat.com (Report)
errata.almalinux.org (Advisory)
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| postfix | — | 2:3.8.5-10.el10_2 |
| postfix-cdb | — | 2:3.8.5-10.el10_2 |
| postfix-ldap | — | 2:3.8.5-10.el10_2 |
| postfix-lmdb | — | 2:3.8.5-10.el10_2 |
| postfix-mysql | — | 2:3.8.5-10.el10_2 |
| postfix-pcre | — | 2:3.8.5-10.el10_2 |
| postfix-perl-scripts | — | 2:3.8.5-10.el10_2 |
| postfix-pgsql | — | 2:3.8.5-10.el10_2 |
| postfix-sqlite | — | 2:3.8.5-10.el10_2 |
References
Similar Threats
- Unknown ALSA-2026:26205
- Unknown ALSA-2026:25932
- Unknown CLSA-2026-1779298645
- Unknown CLSA-2026-1779181947
- Unknown CLSA-2026-1779182686
More ALSA 2026 advisories
Browse all of ALSA 2026 in the advisory index.
Free Vulnerability Check
Is your site affected by ALSA-2026:25930?
BotEraser helps you identify potentially vulnerable plugins and themes by checking your installation against ALSA-2026:25930 and other known CVE records.
Scan My Site Free →No credit card required · Results in minutes
ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.