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pgp_sym_decrypt() and pgp_pub_decrypt() will raise such errors, while bytea variants will not. The existing "dat3" test decrypted to non-UTF8 text, so switch that query to bytea. The long-term intent is for type "text" to always be valid in the database encoding. pgcrypto has long been known as a source of exceptions to that intent, but a report about exploiting invalid values of type "text" brought this module to the forefront. This particular exception is straightforward to fix, with reasonable effect on user queries. Back-patch to v14 (all supported versions). Reported-by: Paul Gerste (as part of zeroday.cloud) Reported-by: Moritz Sanft (as part of zeroday.cloud) Author: shihao zhong <zhong950419@gmail.com> Reviewed-by: cary huang <hcary328@gmail.com> Discussion: https://postgr.es/m/CAGRkXqRZyo0gLxPJqUsDqtWYBbgM14betsHiLRPj9mo2=z9VvA@mail.gmail.com Backpatch-through: 14 Security: CVE-2026-2006
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "make all" and "make
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.