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giflib: Add Gentoo patch to fix various CVEs

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Fixes:
    CVE-2022-28506
    CVE-2023-48161
    CVE-2024-45993
    CVE-2025-31344

Remove myself as maintainer

Signed-off-by: Ted Hess <thess@kitschensync.net>
This commit is contained in:
Ted Hess
2025-09-27 17:14:55 -04:00
committed by Hannu Nyman
parent 29e614fa86
commit 6a8152811e
2 changed files with 14 additions and 2 deletions
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3
libs/giflib/Makefile
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@@ -9,13 +9,12 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=giflib
PKG_VERSION:=5.2.2
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=@SF/giflib
PKG_HASH:=be7ffbd057cadebe2aa144542fd90c6838c6a083b5e8a9048b8ee3b66b29d5fb
PKG_MAINTAINER:=Ted Hess <thess@kitschensync.net>
PKG_LICENSE:=MIT
PKG_LICENSE_FILES:=COPYING
PKG_CPE_ID:=cpe:/a:giflib_project:giflib

13
libs/giflib/patches/200-verify-color-in-range.patch Normal file
View File

@@ -0,0 +1,13 @@
--- a/gif2rgb.c
+++ b/gif2rgb.c
@@ -329,6 +329,10 @@ static void DumpScreen2RGB(char *FileNam
GifRow = ScreenBuffer[i];
GifQprintf("\b\b\b\b%-4d", ScreenHeight - i);
for (j = 0; j < ScreenWidth; j++) {
+ /* Check if color is within color palete */
+ if (GifRow[j] >= ColorMap->ColorCount) {
+ GIF_EXIT(GifErrorString(D_GIF_ERR_IMAGE_DEFECT));
+ }
ColorMapEntry = &ColorMap->Colors[GifRow[j]];
Buffers[0][j] = ColorMapEntry->Red;
Buffers[1][j] = ColorMapEntry->Green;