libmspack: patch CVE-2026-110602

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-110602

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>

meta-oe/recipes-support/cabextract/libmspack/CVE-2026-110602.patch

@@ -0,0 +1,41 @@
+From aca3603bed20772fd86ce5b901005668cee835ad Mon Sep 17 00:00:00 2001
+From: Stuart Caie <kyzer@cabextract.org.uk>
+Date: Mon, 15 Jun 2026 16:33:33 +0000
+Subject: [PATCH] kwajd_read_headers(): initialise pointers before returning
+ any error
+
+CVE: CVE-2026-110602
+Upstream-Status: Backport [https://github.com/kyz/libmspack/commit/4d868504114346aa767d435fbb89a8b76603493f]
+
+Dropped changes for test and ChangeLog file.
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ mspack/kwajd.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/mspack/kwajd.c b/mspack/kwajd.c
+index 30caa89..ede91dd 100644
+--- a/mspack/kwajd.c
++++ b/mspack/kwajd.c
+@@ -160,6 +160,11 @@ static int kwajd_read_headers(struct mspack_system *sys,
+     unsigned char buf[16];
+     int i;
+ 
++
++    /* initialise pointers */
++    hdr->filename = NULL;
++    hdr->extra    = NULL;
++
+     /* read in the header */
+     if (sys->read(fh, &buf[0], kwajh_SIZEOF) != kwajh_SIZEOF) {
+         return MSPACK_ERR_READ;
+@@ -177,8 +182,6 @@ static int kwajd_read_headers(struct mspack_system *sys,
+     hdr->data_offset  = EndGetI16(&buf[kwajh_DataOffset]);
+     hdr->headers      = EndGetI16(&buf[kwajh_Flags]);
+     hdr->length       = 0;
+-    hdr->filename     = NULL;
+-    hdr->extra        = NULL;
+     hdr->extra_length = 0;
+ 
+     /* optional headers */

meta-oe/recipes-support/cabextract/libmspack_0.11alpha.bb

@@ -8,7 +8,9 @@ LICENSE = "LGPL-2.1-only"
 
 LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=7fbc338309ac38fefcd64b04bb903e34"
 
-SRC_URI = "https://www.cabextract.org.uk/libmspack/libmspack-${PV}.tar.gz"
+SRC_URI = "https://www.cabextract.org.uk/libmspack/libmspack-${PV}.tar.gz \
+           file://CVE-2026-110602.patch \
+"
 SRC_URI[sha256sum] = "70dd1fb2f0aecc36791b71a1e1840e62173079eadaa081192d1c323a0eeea21b"
 
 inherit autotools