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...

SUSE 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...

Vulnerability in client (CVE-2026-6477)

PostgreSQL libpq lo functions let server superuser overwrite client stack memory 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...

Exploit for CVE-2025-1094

--- POC Khai thác lỗ hổng CVE-2025-1094: PostgreSQL psql SQL...

postgresql: PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation

A flaw was found in PostgreSQL. Due to improper neutralization of quoting syntax, affected versions potentially allow a database input provider to achieve SQL injection in certain usage patterns. Specifically, SQL injection requires the application to use the affected function's result to constru...