php-7.4 legacy-ebuild added.

dev-lang/php/files/php-7.4.33-CVE-2022-31631.patch

@@ -0,0 +1,50 @@
+From 921b6813da3237a83e908998483f46ae3d8bacba Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Mon, 31 Oct 2022 17:20:23 +0100
+Subject: [PATCH] Fix #81740: PDO::quote() may return unquoted string
+
+`sqlite3_snprintf()` expects its first parameter to be `int`; we need
+to avoid overflow.
+---
+ ext/pdo_sqlite/sqlite_driver.c     |  3 +++
+ ext/pdo_sqlite/tests/bug81740.phpt | 17 +++++++++++++++++
+ 2 files changed, 20 insertions(+)
+ create mode 100644 ext/pdo_sqlite/tests/bug81740.phpt
+
+diff --git a/ext/pdo_sqlite/sqlite_driver.c b/ext/pdo_sqlite/sqlite_driver.c
+index 4233ff10ff2e..5a72a1eda23f 100644
+--- a/ext/pdo_sqlite/sqlite_driver.c
++++ b/ext/pdo_sqlite/sqlite_driver.c
+@@ -232,6 +232,9 @@ static char *pdo_sqlite_last_insert_id(pdo_dbh_t *dbh, const char *name, size_t
+ /* NB: doesn't handle binary strings... use prepared stmts for that */
+ static int sqlite_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unquotedlen, char **quoted, size_t *quotedlen, enum pdo_param_type paramtype )
+ {
++	if (unquotedlen > (INT_MAX - 3) / 2) {
++		return 0;
++	}
+ 	*quoted = safe_emalloc(2, unquotedlen, 3);
+ 	sqlite3_snprintf(2*unquotedlen + 3, *quoted, "'%q'", unquoted);
+ 	*quotedlen = strlen(*quoted);
+diff --git a/ext/pdo_sqlite/tests/bug81740.phpt b/ext/pdo_sqlite/tests/bug81740.phpt
+new file mode 100644
+index 000000000000..99fb07c3048b
+--- /dev/null
++++ b/ext/pdo_sqlite/tests/bug81740.phpt
+@@ -0,0 +1,17 @@
++--TEST--
++Bug #81740 (PDO::quote() may return unquoted string)
++--SKIPIF--
++<?php
++if (!extension_loaded('pdo_sqlite')) print 'skip not loaded';
++if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
++?>
++--INI--
++memory_limit=-1
++--FILE--
++<?php
++$pdo = new PDO("sqlite::memory:");
++$string = str_repeat("a", 0x80000000);
++var_dump($pdo->quote($string));
++?>
++--EXPECT--
++bool(false)