Horton

Avoid potential pfree on NULL on OpenSSL errors

Daniel Gustafsson <dgustafsson@postgresql.org>

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Commit: 5f3aa309a880bb429c6a648d64e20fbd353fee8a
Author: Daniel Gustafsson <dgustafsson@postgresql.org>
Date: 2023-09-22T09:18:25Z
Releases: 17.0 
Avoid potential pfree on NULL on OpenSSL errors

Guard against the pointer being NULL before pfreeing upon an error
returned from OpenSSL.  Also handle errors from X509_NAME_print_ex
which can return -1 on memory allocation errors.

Backpatch down to v15 where the code was added.

Author: Sergey Shinderuk <s.shinderuk@postgrespro.ru>
Discussion: https://postgr.es/m/8db5374d-32e0-6abb-d402-40762511eff2@postgrespro.ru
Backpatch-through: v15

Files

PathChange+/−
src/backend/libpq/be-secure-openssl.c modified +17 −8

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