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| author | apnadkarni <apnmbx-wits@yahoo.com> | 2023-09-05 06:42:31 (GMT) |
|---|---|---|
| committer | apnadkarni <apnmbx-wits@yahoo.com> | 2023-09-05 06:42:31 (GMT) |
| commit | 1de4b18af94b1835fbaf130e84d9115bb2f387b0 (patch) | |
| tree | efd2e16200a03f7cd625482d63a10a3e958b23f0 /generic/tclStringObj.c | |
| parent | e1edaf47153bf88f19d2def15b703e510006fde7 (diff) | |
| parent | 381c827ae8477c27cb4291cb0fa9c5f84581730c (diff) | |
| download | tcl-1de4b18af94b1835fbaf130e84d9115bb2f387b0.zip tcl-1de4b18af94b1835fbaf130e84d9115bb2f387b0.tar.gz tcl-1de4b18af94b1835fbaf130e84d9115bb2f387b0.tar.bz2 | |
Merge 8.6 - Fix [b5ac3e3786] - Tcl_GetUniChar oob read
Diffstat (limited to 'generic/tclStringObj.c')
| -rw-r--r-- | generic/tclStringObj.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 490ddf9..251cf66 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -862,6 +862,9 @@ TclGetUniChar( if (stringPtr->numChars == -1) { TclNumUtfCharsM(stringPtr->numChars, objPtr->bytes, objPtr->length); } + if (index >= stringPtr->numChars) { + return -1; + } if (stringPtr->numChars == objPtr->length) { return (unsigned char) objPtr->bytes[index]; } |