2 files changed, 63 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8534.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8534.patch
new file mode 100644
index 0000000000..b3bc0e0d94
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8534.patch
@@ -0,0 +1,62 @@
+From 6ba36f159fd396ad11bf6b7874554197736ecc8b Mon Sep 17 00:00:00 2001
+From: Su_Laus <sulau@freenet.de>
+Date: Sat, 2 Aug 2025 18:55:54 +0200
+Subject: [PATCH] tiff2ps: check return of TIFFGetFiled() for 
+ TIFFTAG_STRIPBYTECOUNTS and TIFFTAG_TILEBYTECOUNTS to avoid NULL pointer 
+ dereference.
+
+Closes #718
+
+CVE: CVE-2025-8534
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b]
+
+Signed-off-by: Yogita Urade <yogita.urade@windriver.com>
+---
+ tools/tiff2ps.c | 20 +++++++++++++++++---
+ 1 file changed, 17 insertions(+), 3 deletions(-)
+
+diff --git a/tools/tiff2ps.c b/tools/tiff2ps.c
+index e5425bf..5c54205 100644
+--- a/tools/tiff2ps.c
++++ b/tools/tiff2ps.c
+@@ -2432,12 +2432,22 @@ int PS_Lvl2page(FILE *fd, TIFF *tif, uint32_t w, uint32_t h)
+     if (tiled_image)
+     {
+         num_chunks = TIFFNumberOfTiles(tif);
+-        TIFFGetField(tif, TIFFTAG_TILEBYTECOUNTS, &bc);
++        if (!TIFFGetField(tif, TIFFTAG_TILEBYTECOUNTS, &bc))
++        {
++            TIFFError(filename,
++                      "Can't read bytecounts of tiles at PS_Lvl2page()");
++            return (FALSE);
++        }
+     }
+     else
+     {
+         num_chunks = TIFFNumberOfStrips(tif);
+-        TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &bc);
++        if (!TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &bc))
++        {
++            TIFFError(filename,
++                      "Can't read bytecounts of strips at PS_Lvl2page()");
++            return (FALSE);
++        }
+     }
+ 
+     if (use_rawdata)
+@@ -3107,7 +3117,11 @@ void PSRawDataBW(FILE *fd, TIFF *tif, uint32_t w, uint32_t h)
+     (void)w;
+     (void)h;
+     TIFFGetFieldDefaulted(tif, TIFFTAG_FILLORDER, &fillorder);
+-    TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &bc);
++    if (!TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &bc))
++    {
++        TIFFError(filename, "Can't read bytecounts of strips at PSRawDataBW()");
++        return;
++    }
+ 
+     /*
+      * Find largest strip:
+-- 
+2.40.0
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.7.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.7.0.bb
index 26e3811ff8..2155ac8df4 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.7.0.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.7.0.bb
@@ -16,6 +16,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
            file://CVE-2025-8176_3.patch \
            file://CVE-2025-8177_1.patch \
            file://CVE-2025-8177_2.patch \
+           file://CVE-2025-8534.patch \
            "
 
 SRC_URI[sha256sum] = "67160e3457365ab96c5b3286a0903aa6e78bdc44c4bc737d2e486bcecb6ba976"