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4fd6cb7abd
The vulnerability seems quite serious. It isn't practical to use fetchpatch here due to bootstrapping, so I just committed the small patch file.
14 lines
542 B
Diff
14 lines
542 B
Diff
https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d
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diff --git a/decompress.c b/decompress.c
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--- a/decompress.c
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+++ b/decompress.c
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@@ -287,7 +287,7 @@
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GET_BITS(BZ_X_SELECTOR_1, nGroups, 3);
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if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR);
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GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15);
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- if (nSelectors < 1) RETURN(BZ_DATA_ERROR);
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+ if (nSelectors < 1 || nSelectors > BZ_MAX_SELECTORS) RETURN(BZ_DATA_ERROR);
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for (i = 0; i < nSelectors; i++) {
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j = 0;
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while (True) {
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