diff --git a/sdk_container/src/third_party/portage-stable/sys-process/lsof/Manifest b/sdk_container/src/third_party/portage-stable/sys-process/lsof/Manifest
index 54ceebd652..04b3fee544 100644
--- a/sdk_container/src/third_party/portage-stable/sys-process/lsof/Manifest
+++ b/sdk_container/src/third_party/portage-stable/sys-process/lsof/Manifest
@@ -1 +1,2 @@
 DIST lsof-4.99.5.tar.gz 1139280 BLAKE2B 2f11990956b64b5777721f669b231e8f2a520f4535cd3d6023a3d8563c65c83598a4b52c887a2c1c742d12b2f92f724a33873bf460a5fb52255d1622436b1d44 SHA512 1584804fd98f6d416dd1b334832a306abb8e557185523ba255032c3e33fdc472ce4912c50ef70a0ed5e33194ebc4d4853ed7a9baa40c327223614de209c60f13
+DIST lsof-4.99.6.tar.gz 1145434 BLAKE2B 42fbf8ed7dfed8c8570cf830ce8778d9cbbecbd3c0f33800dd7ebfc36e07c7f86075b97bc25c33b70d73b6dde248969bcd7814a792d54cff77f10124f00afd35 SHA512 025317f98b585f266e8cbd02cf7e17dcbd5c630bf927fd710e1700f393464eeebd54de8277955ad6e2d849ebc67ebd7e0ed9bbbc53d4b3754e13cecb29a1f28e
diff --git a/sdk_container/src/third_party/portage-stable/sys-process/lsof/lsof-4.99.6.ebuild b/sdk_container/src/third_party/portage-stable/sys-process/lsof/lsof-4.99.6.ebuild
new file mode 100644
index 0000000000..c850d19f81
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/sys-process/lsof/lsof-4.99.6.ebuild
@@ -0,0 +1,59 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit libtool
+
+MY_P="${P/-/_}"
+DESCRIPTION="Lists open files for running Unix processes"
+HOMEPAGE="https://github.com/lsof-org/lsof"
+SRC_URI="https://github.com/lsof-org/lsof/releases/download/${PV}/${P}.tar.gz"
+
+LICENSE="lsof"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="rpc selinux"
+
+RDEPEND="
+	rpc? ( net-libs/libtirpc )
+	selinux? ( sys-libs/libselinux )
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	sys-apps/groff
+	rpc? ( virtual/pkgconfig )
+"
+
+# Needs fixing first for sandbox
+RESTRICT="test"
+
+src_prepare() {
+	default
+	elibtoolize
+}
+
+src_configure() {
+	local myeconfargs=(
+		$(use_with rpc libtirpc)
+		$(use_with selinux)
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+	emake DEBUG="" all
+}
+
+src_install() {
+	default
+	find "${ED}" -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	if [[ ${CHOST} == *-solaris* ]] ; then
+		einfo "Note: to use lsof on Solaris you need read permissions on"
+		einfo "/dev/kmem, i.e. you need to be root, or to be in the group sys"
+	fi
+}