ImageMagick: Fix CVE-2025-57803

Backport the fix for CVE-2025-57803

Upstream-Status: Backport [https://github.com/ImageMagick/ImageMagick/commit/61f444e5457e4e506c73f18460133c80c235ebb6]

Add below patch to fix
0007-ImageMagick-Fix-CVE-2025-57803.patch

Add below support patch to fix
0007-ImageMagick-Add-support-patch-to-fix-CVE-2025-57803.patch

Signed-off-by: Divyanshu Rathore <Divyanshu.Rathore@bmwtechworks.in>
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Divyanshu Rathore
2025-12-12 20:29:43 +05:30
committed by Gyorgy Sarvari
parent 222e1b635e
commit f978eae8fc
3 changed files with 125 additions and 0 deletions
@@ -0,0 +1,58 @@
From 558a3a71c2b107483d8e88cd2d20242358b6633d Mon Sep 17 00:00:00 2001
From: Divyanshu Rathore <Divyanshu.Rathore@bmwtechworks.in>
Date: Fri, 5 Dec 2025 13:43:17 +0530
Subject: [PATCH 1/1] ImageMagick: Add support patch to fix CVE-2025-57803
Upstream-Status: Backport [https://github.com/ImageMagick/ImageMagick/commit/61f444e5457e4e506c73f18460133c80c235ebb6]
Comment: Refreshed hunk to match latest kirkstone
Signed-off-by: Divyanshu Rathore <Divyanshu.Rathore@bmwtechworks.in>
---
coders/bmp.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/coders/bmp.c b/coders/bmp.c
index a46448a95..703ad0483 100644
--- a/coders/bmp.c
+++ b/coders/bmp.c
@@ -968,18 +968,18 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (bmp_info.compression == BI_RLE4)
bmp_info.bits_per_pixel<<=1;
- bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
+ bytes_per_line=image->columns*(4*(bmp_info.bits_per_pixel+31)/32);
length=(size_t) bytes_per_line*image->rows;
if ((MagickSizeType) (length/256) > blob_size)
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
+ pixel_info=AcquireVirtualMemory(image->rows,
+ MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
+ if (pixel_info == (MemoryInfo *) NULL)
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if ((bmp_info.compression == BI_RGB) ||
(bmp_info.compression == BI_BITFIELDS))
{
- pixel_info=AcquireVirtualMemory(image->rows,
- MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
- if (pixel_info == (MemoryInfo *) NULL)
- ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
- pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
" Reading pixels (%.20g bytes)",(double) length);
@@ -996,11 +996,6 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
/*
Convert run-length encoded raster pixels.
*/
- pixel_info=AcquireVirtualMemory(image->rows,
- MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
- if (pixel_info == (MemoryInfo *) NULL)
- ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
- pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
status=DecodeImage(image,bmp_info.compression,pixels,
image->columns*image->rows);
if (status == MagickFalse)
--
2.34.1
@@ -0,0 +1,65 @@
From 9624a36f5c77d81cfdce20d0978850fa0db1543c Mon Sep 17 00:00:00 2001
From: Divyanshu Rathore <Divyanshu.Rathore@bmwtechworks.in>
Date: Thu, 23 Oct 2025 23:41:32 +0530
Subject: [PATCH 07/18] ImageMagick: Fix CVE-2025-57803
CVE: CVE-2025-57803
Upstream-Status: Backport [https://github.com/ImageMagick/ImageMagick/commit/2c55221f4d38193adcb51056c14cf238fbcc35d7.patch]
Comment: Refreshed hunk to match latest kirkstone
Signed-off-by: Divyanshu Rathore <Divyanshu.Rathore@bmwtechworks.in>
---
coders/bmp.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/coders/bmp.c b/coders/bmp.c
index a46448a95..beff10bb5 100644
--- a/coders/bmp.c
+++ b/coders/bmp.c
@@ -506,6 +506,10 @@ static MagickBooleanType IsBMP(const unsigned char *magick,const size_t length)
% o exception: return any errors or warnings in this structure.
%
*/
+static inline MagickBooleanType BMPOverflowCheck(size_t x,size_t y)
+{
+ return((y != 0) && (x > 4294967295UL/y) ? MagickTrue : MagickFalse);
+}
static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
@@ -546,6 +550,7 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
size_t
bit,
bytes_per_line,
+ extent,
length;
ssize_t
@@ -968,12 +973,18 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (bmp_info.compression == BI_RLE4)
bmp_info.bits_per_pixel<<=1;
- bytes_per_line=image->columns*(4*(bmp_info.bits_per_pixel+31)/32);
- length=(size_t) bytes_per_line*image->rows;
+ extent=image->columns*bmp_info.bits_per_pixel;
+ bytes_per_line=4*((extent+31)/32);
+ if (BMPOverflowCheck(bytes_per_line,image->rows) != MagickFalse)
+ ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
+ length=bytes_per_line*image->rows;
if ((MagickSizeType) (length/256) > blob_size)
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
- pixel_info=AcquireVirtualMemory(image->rows,
- MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels));
+ extent=MagickMax(bytes_per_line,image->columns+1UL);
+ if ((BMPOverflowCheck(image->rows,extent) != MagickFalse) ||
+ (BMPOverflowCheck(extent,sizeof(*pixels)) != MagickFalse))
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ pixel_info=AcquireVirtualMemory(image->rows,extent*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
--
2.34.1
@@ -32,6 +32,8 @@ SRC_URI = "git://github.com/ImageMagick/ImageMagick.git;branch=main;protocol=htt
file://0004-ImageMagick-Fix-CVE-2025-55005.patch \ file://0004-ImageMagick-Fix-CVE-2025-55005.patch \
file://0005-ImageMagick-Fix-CVE-2025-53019.patch \ file://0005-ImageMagick-Fix-CVE-2025-53019.patch \
file://0006-ImageMagick-Fix-CVE-2025-55004.patch \ file://0006-ImageMagick-Fix-CVE-2025-55004.patch \
file://0007-ImageMagick-Add-support-patch-to-fix-CVE-2025-57803.patch \
file://0007-ImageMagick-Fix-CVE-2025-57803.patch \
" "
SRCREV = "35b4991eb0939a327f3489988c366e21068b0178" SRCREV = "35b4991eb0939a327f3489988c366e21068b0178"