15 lines
782 B
Diff
15 lines
782 B
Diff
--- zlib-1.2.12/inflate.c.old 2022-08-09 10:30:18.831225181 +0000
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+++ zlib-1.2.12/inflate.c 2022-08-09 10:29:33.251225181 +0000
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@@ -792,8 +792,9 @@ int flush;
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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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