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CVE-2026-40198: perlPackages.NetCIDRLite, backport upstream fix (no version bump) #41

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CVE-2026-40198: perlPackages.NetCIDRLite, backport upstream fix (no version bump) #41

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c4971a5
trace-pr anchor
Sep 5, 2026
6ee493f
perlPackages.NetCIDRLite: 0.22 (fix CVE-2026-40198)
Sep 5, 2026
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11 changes: 11 additions & 0 deletions pkgs/development/perl-modules/NetCIDRLite-CVE-2026-40198.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
diff --git a/Lite.pm b/Lite.pm
index 0e2299f..acf8f0d 100644
--- a/Lite.pm
+++ b/Lite.pm
@@ -206,6 +206,7 @@ sub _pack_ipv6 {
return;
}
return if $ipv4 and @nums > 6;
+ return unless $empty or @nums == ($ipv4 ? 6 : 8);
$str =~ s/X/"0" x (($ipv4 ? 25 : 33)-length($str))/e if $empty;
pack("H*", "00" . $str).$ipv4;
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