giflib/0001-Clean-up-memory-better-at-end-of-run-CVE-2021-40633.patch

27 lines
719 B
Diff

From ccbc956432650734c91acb3fc88837f7b81267ff Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Wed, 21 Feb 2024 18:55:00 -0500
Subject: [PATCH] Clean up memory better at end of run (CVE-2021-40633)
---
gif2rgb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gif2rgb.c b/gif2rgb.c
index d51226d..fc2e683 100644
--- a/gif2rgb.c
+++ b/gif2rgb.c
@@ -517,6 +517,9 @@ static void GIF2RGB(int NumFiles, char *FileName, bool OneFileFlag,
DumpScreen2RGB(OutFileName, OneFileFlag, ColorMap, ScreenBuffer,
GifFile->SWidth, GifFile->SHeight);
+ for (i = 0; i < GifFile->SHeight; i++) {
+ (void)free(ScreenBuffer[i]);
+ }
(void)free(ScreenBuffer);
{
--
2.43.2