bzip2/SOURCES/decompress-out-of-bounds.patch

14 lines
605 B
Diff

diff --git a/decompress.c b/decompress.c
index ab6a624db17a1c124b5be09c04b0e99d950b70ff..f3db91d14f6ed09f76fbd5c73f7db2cba5f577da 100644
--- a/decompress.c
+++ b/decompress.c
@@ -287,7 +287,7 @@ Int32 BZ2_decompress ( DState* s )
GET_BITS(BZ_X_SELECTOR_1, nGroups, 3);
if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR);
GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15);
- if (nSelectors < 1) RETURN(BZ_DATA_ERROR);
+ if (nSelectors < 1 || nSelectors > BZ_MAX_SELECTORS) RETURN(BZ_DATA_ERROR);
for (i = 0; i < nSelectors; i++) {
j = 0;
while (True) {