1 files changed, 61 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8176_1.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8176_1.patch
new file mode 100644
index 0000000000..14d3cb445e
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2025-8176_1.patch
@@ -0,0 +1,61 @@
+From ed35364de1e3ad444e6f954514ee68eb9be496d2 Mon Sep 17 00:00:00 2001
+From: Lee Howard <faxguy@howardsilvan.com>
+Date: Mon, 19 May 2025 10:53:30 -0700
+Subject: [PATCH 3/7] Don't skip the first line of the input image. Addresses
+ issue #703
+
+CVE: CVE-2025-8176
+Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/3994cf3b3bc6b54c32f240ca5a412cffa11633fa]
+Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
+---
+ tools/tiffdither.c | 4 ++--
+ tools/tiffmedian.c | 4 ++--
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/tools/tiffdither.c b/tools/tiffdither.c
+index 714fe03..bfed6df 100644
+--- a/tools/tiffdither.c
++++ b/tools/tiffdither.c
+@@ -98,7 +98,7 @@ static int fsdither(TIFF *in, TIFF *out)
+     nextptr = nextline;
+     for (j = 0; j < imagewidth; ++j)
+         *nextptr++ = *inptr++;
+-    for (i = 1; i < imagelength; ++i)
++    for (i = 0; i < imagelength; ++i)
+     {
+         tmpptr = thisline;
+         thisline = nextline;
+@@ -146,7 +146,7 @@ static int fsdither(TIFF *in, TIFF *out)
+                     nextptr[0] += v / 16;
+             }
+         }
+-        if (TIFFWriteScanline(out, outline, i - 1, 0) < 0)
++        if (TIFFWriteScanline(out, outline, i, 0) < 0)
+             goto skip_on_error;
+     }
+     goto exit_label;
+diff --git a/tools/tiffmedian.c b/tools/tiffmedian.c
+index 02b0bc2..f6cf26c 100644
+--- a/tools/tiffmedian.c
++++ b/tools/tiffmedian.c
+@@ -917,7 +917,7 @@ static void quant_fsdither(TIFF *in, TIFF *out)
+     outline = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
+ 
+     GetInputLine(in, 0, goto bad); /* get first line */
+-    for (i = 1; i <= imagelength; ++i)
++    for (i = 0; i <= imagelength; ++i)
+     {
+         SWAP(short *, thisline, nextline);
+         lastline = (i >= imax);
+@@ -997,7 +997,7 @@ static void quant_fsdither(TIFF *in, TIFF *out)
+                 nextptr += 3;
+             }
+         }
+-        if (TIFFWriteScanline(out, outline, i - 1, 0) < 0)
++        if (TIFFWriteScanline(out, outline, i, 0) < 0)
+             break;
+     }
+ bad:
+-- 
+2.47.3
+