postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Oracle Linux 10 : libpq (ELSA-2026-44391)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-44391 advisory. 16.14-1 - Rebase to upstream release 16.14 - Resolves: RHEL-192240 Tenable has extracted the preceding description block directly from the Oracle Linux securi...

libpq security update

13.23-3 - Add BuildRequires for perl-File-Compare needed by genbki.pl - Related: RHEL-192239 13.23-2 - Backport fixes for CVE-2026-6478, CVE-2026-6637, CVE-2026-6477, CVE-2026-6475, CVE-2026-6473 from PostgreSQL 14.23 - Resolves: RHEL-192239...

AlmaLinux 10 : libpq (ALSA-2026:44391)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:44391 advisory. postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 Tenable has extracted the preceding...

AlmaLinux 9 : libpq (ALSA-2026:44308)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:44308 advisory. postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 Tenable has extracted the preceding descripti...

ALSA-2026:44391 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

Oracle Linux 9 : libpq (ELSA-2026-44308)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-44308 advisory. - Backport fixes for CVE-2026-6478, CVE-2026-6637, CVE-2026-6477, CVE-2026-6475, CVE-2026-6473 from PostgreSQL 14.23 Tenable has extracted the preceding...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: postgresql:13 security update

An update for the postgresql:13 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

AlmaLinux 9 : postgresql:18 (ALSA-2026:26204)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:26204 advisory. postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq:...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syste...

RHEL 8 : libpq (RHSA-2026:35880)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:35880 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes:...

TencentOS Server 3: libpq (TSSA-2026:0590)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0590 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: postgresql:15 security update

An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Astra Linux – Vulnerability in PostgresSQL-15

Integer wraparound in several PostgreSQL libpq client library functions allows an application’s input provider or network peer to cause libpq to undersize allocations and write out-of-bounds data, involving hundreds of megabytes. This leads to a segmentation fault in the application that uses...