diff --git a/net-analyzer/raddump/files/raddump-0.3.1-cast-pointer.patch b/net-analyzer/raddump/files/raddump-0.3.1-cast-pointer.patch
new file mode 100644
index 0000000000000..0c29d02e6a6dc
--- /dev/null
+++ b/net-analyzer/raddump/files/raddump-0.3.1-cast-pointer.patch
@@ -0,0 +1,17 @@
+https://bugs.gentoo.org/968883
+Fix to permit compilation with GCC15/in C23 context.
+Code doesn't move `struct pktrecord p` around, and program is single-threaded
+so it is safe to cast referenced address to const.
+--- a/pktrecord.c
++++ b/pktrecord.c
+@@ -169,7 +169,7 @@
+   
+ #ifdef HAVE_PCAP_NEXT_EX
+   if (pcap_next_ex(ph->pcap_handle, &(ph->pcap_hdr),
+-		   &(p->pkt_data)) != 1) return 0;
++		   (const unsigned char **)&(p->pkt_data)) != 1) return 0;
+ #else
+   /* older version of libpcap */
+   p->pkt_data = (unsigned char *)pcap_next(ph->pcap_handle, ph->pcap_hdr);
+Only in raddump-0.3.1: pktrecord.o
+Only in raddump-0.3.1: raddump
diff --git a/net-analyzer/raddump/raddump-0.3.1-r1.ebuild b/net-analyzer/raddump/raddump-0.3.1-r1.ebuild
new file mode 100644
index 0000000000000..2e4946c8121a5
--- /dev/null
+++ b/net-analyzer/raddump/raddump-0.3.1-r1.ebuild
@@ -0,0 +1,24 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools
+
+DESCRIPTION="RADIUS packet interpreter"
+HOMEPAGE="https://sourceforge.net/projects/raddump/"
+SRC_URI="https://downloads.sourceforge.net/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86"
+
+RDEPEND=">=net-analyzer/tcpdump-3.8.3-r1"
+DEPEND="${RDEPEND}"
+
+PATCHES=( "${FILESDIR}/${P}-cast-pointer.patch" )
+
+src_prepare() {
+	default
+	eautoreconf
+}