outman/jsoncpp
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Fix out-of-bounds read.

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getLocationLIneAndColumn would read past the end of the provided buffer if generating an error message at the end of the stream, if the final character was `\r`.
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vslashg 2023-07-19 18:05:33 -04:00 committed by GitHub
parent 69098a18b9
commit 7168e3fd52
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1 changed files with 2 additions and 2 deletions
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src/lib_json/json_reader.cpp
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@ -773,7 +773,7 @@ void Reader::getLocationLineAndColumn(Location location, int& line,
while (current < location && current != end_) {
Char c = *current++;
if (c == '\r') {
if (*current == '\n')
if (current != end_ && *current == '\n')
++current;
lastLineStart = current;
++line;
@ -1825,7 +1825,7 @@ void OurReader::getLocationLineAndColumn(Location location, int& line,
while (current < location && current != end_) {
Char c = *current++;
if (c == '\r') {
if (*current == '\n')
if (current != end_ && *current == '\n')
++current;
lastLineStart = current;
++line;