diff options
Diffstat (limited to 'meta/recipes-support/icu/icu-51.2/add_buffer_length_check_to_UTF_16_or_32_detector.patch')
-rw-r--r-- | meta/recipes-support/icu/icu-51.2/add_buffer_length_check_to_UTF_16_or_32_detector.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta/recipes-support/icu/icu-51.2/add_buffer_length_check_to_UTF_16_or_32_detector.patch b/meta/recipes-support/icu/icu-51.2/add_buffer_length_check_to_UTF_16_or_32_detector.patch new file mode 100644 index 0000000000..ad4d61c3ea --- /dev/null +++ b/meta/recipes-support/icu/icu-51.2/add_buffer_length_check_to_UTF_16_or_32_detector.patch @@ -0,0 +1,33 @@ +--- source/i18n/csrucode.cpp ++++ source/i18n/csrucode.cpp +@@ -33,8 +33,9 @@ UBool CharsetRecog_UTF_16_BE::match(Inpu + { + const uint8_t *input = textIn->fRawInput; + int32_t confidence = 0; ++ int32_t length = textIn->fRawLength; + +- if (input[0] == 0xFE && input[1] == 0xFF) { ++ if (length >=2 && input[0] == 0xFE && input[1] == 0xFF) { + confidence = 100; + } + +@@ -57,8 +58,9 @@ UBool CharsetRecog_UTF_16_LE::match(Inpu + { + const uint8_t *input = textIn->fRawInput; + int32_t confidence = 0; ++ int32_t length = textIn->fRawLength; + +- if (input[0] == 0xFF && input[1] == 0xFE && (input[2] != 0x00 || input[3] != 0x00)) { ++ if (length >= 4 && input[0] == 0xFF && input[1] == 0xFE && (input[2] != 0x00 || input[3] != 0x00)) { + confidence = 100; + } + +@@ -81,7 +83,7 @@ UBool CharsetRecog_UTF_32::match(InputTe + bool hasBOM = FALSE; + int32_t confidence = 0; + +- if (getChar(input, 0) == 0x0000FEFFUL) { ++ if (limit > 0 && getChar(input, 0) == 0x0000FEFFUL) { + hasBOM = TRUE; + } + |