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path: root/main/bzip2/CVE-2019-12900.patch
blob: a213baac7753344bf1d27a8bf638c26f0f1cf4d7 (plain)
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--- a/decompress.c
+++ b/decompress.c
@@ -287,7 +287,7 @@
       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) {