Libpq Security Update — AlmaLinux 9 (ALSA-2026:44308)
This is a security release for AlmaLinux 9. The fix ships in the current release line (referenced builds: 13.23-3). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix-Befehle
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWas das unter einer SharedLicense-Lizenz bedeutet
Your SharedLicense license itself is not affected — this is a change in AlmaLinux 9 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.
The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.
Security Fix(es):
* postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory (CVE-2026-6477)
For more details about the security issue(s), …
Type:
security
Severity:
important
Release date:
2026-07-23
Description:
The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.
Security Fix(es):
* postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory (CVE-2026-6477)
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.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | libpq-13.23-3.el9_8.aarch64.rpm | 46b5e332ea779ae6891a8f75d6be444a60f45ec8b71798e8fec606176fae87de |
| aarch64 | libpq-devel-13.23-3.el9_8.aarch64.rpm | 7f8fc44d6727e4526760c9b964ba56afb076b6bb9e31e36b3764214285ee4f11 |
| i686 | libpq-devel-13.23-3.el9_8.i686.rpm | 138d5d63f5d51cdcbba3510fcca8768b6a137a376d6c08601da2f81606e081fa |
| i686 | libpq-13.23-3.el9_8.i686.rpm | c4b5d0360b6c4e2780b3fc5b3e9df4dc2c142aedb28d9b90384c4c210482033e |
| ppc64le | libpq-devel-13.23-3.el9_8.ppc64le.rpm | 15c36be40ad335264d5d7833b4be31b2d2e245e96459ee511e68d43d890ada55 |
| ppc64le | libpq-13.23-3.el9_8.ppc64le.rpm | bf375627fd0ca83743a47ae7437559ca1d1e169f4bc31581c34efd409dec426c |
| s390x | libpq-devel-13.23-3.el9_8.s390x.rpm | 28cc5fcf2588fdb50a1b704a6e9ded33e4e12671203fde64d4f101b9e55b07d4 |
| s390x | libpq-13.23-3.el9_8.s390x.rpm | e12960c88b662fd927ed06c3f26e1bb46aad01a1ee8ff99a069ede4f3767ef25 |
| x86_64 | libpq-13.23-3.el9_8.x86_64.rpm | 43079f3d3756045509a48082323cde3ecd02d982a7d90b661cec4f04eafb831b |
| x86_64 | libpq-devel-13.23-3.el9_8.x86_64.rpm | 784ba967d989b6673c604a7a6608259953b27d7f2cae7ff7613238e7c9a69c66 |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
Referenzen
Sicherheitshinweise
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