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* [zlib] Fix CVE-2022-37434 * [zlib] Merge actual patch * Update ports/zlib/CVE-2022-37434.patch Co-authored-by: Frank <65999885+FrankXie05@users.noreply.github.com> * [zlib] Update version SHA Co-authored-by: Chris Brammer <brammer@extend3d.de> Co-authored-by: Frank <65999885+FrankXie05@users.noreply.github.com>
18 lines
819 B
Diff
18 lines
819 B
Diff
diff --git a/inflate.c b/inflate.c
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index 7be8c6366..7a7289749 100644
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--- a/inflate.c
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+++ b/inflate.c
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@@ -763,9 +763,10 @@ int flush;
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copy = state->length;
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if (copy > have) copy = have;
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if (copy) {
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if (state->head != Z_NULL &&
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- state->head->extra != Z_NULL) {
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- len = state->head->extra_len - state->length;
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+ state->head->extra != Z_NULL &&
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+ (len = state->head->extra_len - state->length) <
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+ state->head->extra_max) {
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zmemcpy(state->head->extra + len, next,
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len + copy > state->head->extra_max ?
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state->head->extra_max - len : copy);
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