6024N/AThis is "cherry-picked" fix for security issue recorded upstream as

6024N/Ahttps://github.com/akheron/jansson/issues/282.

6024N/A

6024N/Adiff --git a/android/jansson_config.h b/android/jansson_config.h

6024N/Aindex 0a313a0..689f7ed 100644

6024N/A--- a/android/jansson_config.h

6024N/A+++ b/android/jansson_config.h

6024N/A@@ -36,4 +36,8 @@

6024N/A otherwise to 0. */

6024N/A #define JSON_HAVE_LOCALECONV 0

6024N/A

6024N/A+/* Maximum recursion depth for parsing JSON input.

6024N/A+ This limits the depth of e.g. array-within-array constructions. */

6024N/A+#define JSON_PARSER_MAX_DEPTH 2048

6024N/A+

6024N/A #endif

6024N/Adiff --git a/cmake/jansson_config.h.cmake b/cmake/jansson_config.h.cmake

6024N/Aindex 43e36c5..4a32148 100644

6024N/A--- a/cmake/jansson_config.h.cmake

6024N/A+++ b/cmake/jansson_config.h.cmake

6024N/A@@ -60,5 +60,9 @@

6024N/A #define JSON_HAVE_LOCALECONV @JSON_HAVE_LOCALECONV@

6024N/A

6024N/A

6024N/A+/* Maximum recursion depth for parsing JSON input.

6024N/A+ This limits the depth of e.g. array-within-array constructions. */

6024N/A+#define JSON_PARSER_MAX_DEPTH 2048

6024N/A+

6024N/A

6024N/A #endif

6024N/Adiff --git a/doc/conformance.rst b/doc/conformance.rst

6024N/Aindex de3947d..ea41d5c 100644

6024N/A--- a/doc/conformance.rst

6024N/A+++ b/doc/conformance.rst

6024N/A@@ -108,3 +108,13 @@ types, ``long double``, etc. Obviously, shorter types like ``short``,

6024N/A are implicitly handled via the ordinary C type coercion rules (subject

6024N/A to overflow semantics). Also, no support or hooks are provided for any

6024N/A supplemental "bignum" type add-on packages.

6024N/A+

6024N/A+Depth of nested values

6024N/A+----------------------

6024N/A+

6024N/A+To avoid stack exhaustion, Jansson currently limits the nesting depth

6024N/A+for arrays and objects to a certain value (default: 2048), defined as

6024N/A+a macro ``JSON_PARSER_MAX_DEPTH`` within ``jansson_config.h``.

6024N/A+

6024N/A+The limit is allowed to be set by the RFC; there is no recommended value

6024N/A+or required minimum depth to be supported.

6024N/Adiff --git a/src/jansson_config.h.in b/src/jansson_config.h.in

6024N/Aindex 12580a0..aa02160 100644

6024N/A--- a/src/jansson_config.h.in

6024N/A+++ b/src/jansson_config.h.in

6024N/A@@ -36,4 +36,8 @@

6024N/A otherwise to 0. */

6024N/A #define JSON_HAVE_LOCALECONV @json_have_localeconv@

6024N/A

6024N/A+/* Maximum recursion depth for parsing JSON input.

6024N/A+ This limits the depth of e.g. array-within-array constructions. */

6024N/A+#define JSON_PARSER_MAX_DEPTH 2048

6024N/A+

6024N/A #endif

6024N/Adiff --git a/src/load.c b/src/load.c

6024N/Aindex 722f2d7..56a5d5f 100644

6024N/A--- a/src/load.c

6024N/A+++ b/src/load.c

6024N/A@@ -61,6 +61,7 @@ typedef struct {

6024N/A typedef struct {

6024N/A stream_t stream;

6024N/A strbuffer_t saved_text;

6024N/A+ size_t depth;

6024N/A int token;

6024N/A union {

6024N/A struct {

6024N/A@@ -800,6 +801,12 @@ static json_t *parse_value(lex_t *lex, size_t flags, json_error_t *error)

6024N/A json_t *json;

6024N/A double value;

6024N/A

6024N/A+ lex->depth++;

6024N/A+ if(lex->depth > JSON_PARSER_MAX_DEPTH) {

6024N/A+ error_set(error, lex, "maximum parsing depth reached");

6024N/A+ return NULL;

6024N/A+ }

6024N/A+

6024N/A switch(lex->token) {

6024N/A case TOKEN_STRING: {

6024N/A const char *value = lex->value.string.val;

6024N/A@@ -870,6 +877,7 @@ static json_t *parse_value(lex_t *lex, size_t flags, json_error_t *error)

6024N/A if(!json)

6024N/A return NULL;

6024N/A

6024N/A+ lex->depth--;

6024N/A return json;

6024N/A }

6024N/A

6024N/A@@ -877,6 +885,8 @@ static json_t *parse_json(lex_t *lex, size_t flags, json_error_t *error)

6024N/A {

6024N/A json_t *result;

6024N/A

6024N/A+ lex->depth = 0;

6024N/A+

6024N/A lex_scan(lex, error);

6024N/A if(!(flags & JSON_DECODE_ANY)) {

6024N/A if(lex->token != '[' && lex->token != '{') {

6024N/Adiff --git a/test/suites/invalid/recursion-depth/error b/test/suites/invalid/recursion-depth/error

6024N/Anew file mode 100644

6024N/Aindex 0000000..11e0537

6024N/A--- /dev/null

6024N/A+++ b/test/suites/invalid/recursion-depth/error

6024N/A@@ -0,0 +1,2 @@

6024N/A+1 2049 2049

6024N/A+maximum parsing depth reached near '['

6024N/Adiff --git a/test/suites/invalid/recursion-depth/input b/test/suites/invalid/recursion-depth/input

6024N/Anew file mode 100644

6024N/Aindex 0000000..bfa47d9

6024N/A--- /dev/null

6024N/A+++ b/test/suites/invalid/recursion-depth/input

6024N/A@@ -0,0 +1 @@

6024N/A+[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[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