73db053e0e
This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/libjpeg-turbo.git#c91f4e53cda0ebe366c83f8f75ea2bec087dcd5c
74 lines
2.6 KiB
Diff
74 lines
2.6 KiB
Diff
From 6bb9d7ea3fdc22a8a03b989e430d0f4953e59f03 Mon Sep 17 00:00:00 2001
|
|
From: DRC <information@libjpeg-turbo.org>
|
|
Date: Thu, 14 Jan 2021 18:35:15 -0600
|
|
Subject: [PATCH] cjpeg: Fix FPE when compressing 0-width GIF
|
|
|
|
---
|
|
cderror.h | 5 ++++-
|
|
rdgif.c | 8 +++++++-
|
|
2 files changed, 11 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/cderror.h b/cderror.h
|
|
index a386b69..2844346 100644
|
|
--- a/cderror.h
|
|
+++ b/cderror.h
|
|
@@ -1,9 +1,11 @@
|
|
/*
|
|
* cderror.h
|
|
*
|
|
+ * This file was part of the Independent JPEG Group's software:
|
|
* Copyright (C) 1994-1997, Thomas G. Lane.
|
|
* Modified 2009-2017 by Guido Vollbeding.
|
|
- * This file is part of the Independent JPEG Group's software.
|
|
+ * libjpeg-turbo Modifications:
|
|
+ * Copyright (C) 2021, D. R. Commander.
|
|
* For conditions of distribution and use, see the accompanying README.ijg
|
|
* file.
|
|
*
|
|
@@ -60,6 +62,7 @@ JMESSAGE(JTRC_BMP_OS2_MAPPED, "%ux%u 8-bit colormapped OS2 BMP image")
|
|
JMESSAGE(JERR_GIF_BUG, "GIF output got confused")
|
|
JMESSAGE(JERR_GIF_CODESIZE, "Bogus GIF codesize %d")
|
|
JMESSAGE(JERR_GIF_COLORSPACE, "GIF output must be grayscale or RGB")
|
|
+JMESSAGE(JERR_GIF_EMPTY, "Empty GIF image")
|
|
JMESSAGE(JERR_GIF_IMAGENOTFOUND, "Too few images in GIF file")
|
|
JMESSAGE(JERR_GIF_NOT, "Not a GIF file")
|
|
JMESSAGE(JTRC_GIF, "%ux%ux%d GIF image")
|
|
diff --git a/rdgif.c b/rdgif.c
|
|
index e1ea56c..8a379fe 100644
|
|
--- a/rdgif.c
|
|
+++ b/rdgif.c
|
|
@@ -1,9 +1,11 @@
|
|
/*
|
|
* rdgif.c
|
|
*
|
|
+ * This file was part of the Independent JPEG Group's software:
|
|
* Copyright (C) 1991-1997, Thomas G. Lane.
|
|
* Modified 2019 by Guido Vollbeding.
|
|
- * This file is part of the Independent JPEG Group's software.
|
|
+ * libjpeg-turbo Modifications:
|
|
+ * Copyright (C) 2021, D. R. Commander.
|
|
* For conditions of distribution and use, see the accompanying README.ijg
|
|
* file.
|
|
*
|
|
@@ -404,6 +406,8 @@ start_input_gif(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
|
|
ERREXIT(cinfo, JERR_INPUT_EOF);
|
|
width = LM_to_uint(hdrbuf, 0);
|
|
height = LM_to_uint(hdrbuf, 2);
|
|
+ if (width == 0 || height == 0)
|
|
+ ERREXIT(cinfo, JERR_GIF_EMPTY);
|
|
/* we ignore the color resolution, sort flag, and background color index */
|
|
aspectRatio = UCH(hdrbuf[6]);
|
|
if (aspectRatio != 0 && aspectRatio != 49)
|
|
@@ -446,6 +450,8 @@ start_input_gif(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
|
|
/* we ignore top/left position info, also sort flag */
|
|
width = LM_to_uint(hdrbuf, 4);
|
|
height = LM_to_uint(hdrbuf, 6);
|
|
+ if (width == 0 || height == 0)
|
|
+ ERREXIT(cinfo, JERR_GIF_EMPTY);
|
|
source->is_interlaced = (BitSet(hdrbuf[8], INTERLACE) != 0);
|
|
|
|
/* Read local colormap if header indicates it is present */
|
|
--
|
|
2.26.3
|
|
|