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authordgp@users.sourceforge.net <dgp>2015-04-24 15:48:56 (GMT)
committerdgp@users.sourceforge.net <dgp>2015-04-24 15:48:56 (GMT)
commit218f5e072e6ae0e7eea3a47a62352b7e0f75aed4 (patch)
tree4039637916184060e9eec1a5154695b3d4ed5a64 /generic/tclEncoding.c
parent8a5bf4e95a96c9934becce7991569bf1ab2fc781 (diff)
parent43e48c237002e59d9449c3e57fe6136f52c19f72 (diff)
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Fix UtfToUtfProc() to remove the potential to read beyond end of input buffer.
Diffstat (limited to 'generic/tclEncoding.c')
-rw-r--r--generic/tclEncoding.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index 179ca17..a7ef199 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -2334,7 +2334,7 @@ UtfToUtfProc(
*dst++ = *src++;
} else if (pureNullMode == 1 && UCHAR(*src) == 0xc0 &&
- UCHAR(*(src+1)) == 0x80) {
+ (src + 1 < srcEnd) && UCHAR(*(src+1)) == 0x80) {
/*
* Convert 0xc080 to real nulls when we are in output mode.
*/