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With GB18030 as source encoding, applications could crash the server via SQL functions convert() or convert_from(). Applications themselves could crash after passing unterminated GB18030 input to libpq functions PQescapeLiteral(), PQescapeIdentifier(), PQescapeStringConn(), or PQescapeString(). Extension code could crash by passing unterminated GB18030 input to jsonapi.h functions. All those functions have been intended to handle untrusted, unterminated input safely. A crash required allocating the input such that the last byte of the allocation was the last byte of a virtual memory page. Some malloc() implementations take measures against that, making the SIGSEGV hard to reach. Back-patch to v13 (all supported versions). Author: Noah Misch <noah@leadboat.com> Author: Andres Freund <andres@anarazel.de> Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com> Backpatch-through: 13 Security: CVE-2025-4207 |
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| examples | ||
| icu | ||
| isolation | ||
| kerberos | ||
| ldap | ||
| locale | ||
| mb | ||
| modules | ||
| perl | ||
| postmaster | ||
| recovery | ||
| regress | ||
| ssl | ||
| subscription | ||
| Makefile | ||
| meson.build | ||
| README | ||
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication