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,...

RHEL 8 : libpq (RHSA-2026:44420)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44420 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes:...

ROS-20260708-73-0081

The vulnerability of the loexport, loread, lolseek64, and lotell64 functions in the PostgreSQL database management system’s client library is related to the use of a initially dangerous function. Exploiting this vulnerability could allow an attacker to remotely rewrite the pgdump or psql stack...

ROS-20260708-73-0015

The vulnerability of the loexport, loread, lolseek64, and lotell64 functions in the PostgreSQL database management system’s client library is related to the use of a initially dangerous function. Exploiting this vulnerability could allow an attacker to remotely rewrite the pgdump or psql stack...

ROS-20260708-73-0010

The vulnerability of the loexport, loread, lolseek64, and lotell64 functions in the PostgreSQL database management system’s client library is related to the use of a initially dangerous function. Exploiting this vulnerability could allow an attacker to remotely rewrite the pgdump or psql stack...

RHSA-2026:35880 Red Hat Security Advisory: libpq security update

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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 9.2 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...

PYSEC-2026-450 pgadmin4 has a Meta-Command Filter Command Execution

The PLAIN restore meta-command filter introduced in pgAdmin as part of the fix for CVE-2025-12762 does not detect meta-commands when a SQL file begins with a UTF-8 Byte Order Mark EF BB BF or other special byte sequences. The implemented filter uses the function hasmetacommands, which scans raw...

RLSA-2023:7016 Low: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: Client memory disclosure when connecting with Kerberos to modified server CVE-2022-41862 For more details about the security issues, including the...

RockyLinux 8 : libpq (RLSA-2023:7016)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2023:7016 advisory. postgresql: Client memory disclosure when connecting with Kerberos to modified server CVE-2022-41862 Tenable has extracted the preceding description block directl...

RLSA-2026:27738 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: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq: Buffer...

RHSA-2026:27738 Red Hat Security Advisory: libpq security update

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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...

Important: Red Hat Security Advisory: libpq security update

An update for libpq is now available for Red Hat Enterprise Linux 8. 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 severity rating, is available for each vulnerability from the...

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...

CVE-2026-6477

Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets, PQfn..., resultisint=0, ... stores arbitrary-lengt...

ROS-20260129-73-0042

A vulnerability in the libpq library of the PostgreSQL database management system is related to integer overflow. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...