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aports/community/sox/CVE-2022-31651.patch

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From: Helmut Grohne <helmut@subdivi.de>
Subject: formats: reject implausible rate
Bug: https://sourceforge.net/p/sox/bugs/360/
Bug-Debian: https://bugs.debian.org/1012516
--- a/src/formats_i.c
+++ b/src/formats_i.c
@@ -70,9 +70,15 @@
ft->signal.channels = channels;
}
- if (rate && ft->signal.rate && ft->signal.rate != rate)
+ if (rate && ft->signal.rate && ft->signal.rate != rate) {
lsx_warn("`%s': overriding sample rate", ft->filename);
- else ft->signal.rate = rate;
+ /* Since NaN comparisons yield false, the negation rejects them. */
+ } else if (!(rate > 0)) {
+ lsx_fail_errno(ft, EINVAL, "invalid rate value");
+ return SOX_EOF;
+ } else {
+ ft->signal.rate = rate;
+ }
if (encoding && ft->encoding.encoding && ft->encoding.encoding != encoding)
lsx_warn("`%s': overriding encoding type", ft->filename);