31 lines
795 B
Diff
31 lines
795 B
Diff
From ccbc956432650734c91acb3fc88837f7b81267ff Mon Sep 17 00:00:00 2001
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From: "Eric S. Raymond" <esr@thyrsus.com>
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Date: Wed, 21 Feb 2024 18:55:00 -0500
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Subject: [PATCH] Clean up memory better at end of run (CVE-2021-40633)
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---
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gif2rgb.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/gif2rgb.c b/gif2rgb.c
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index d51226d..fc2e683 100644
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--- a/gif2rgb.c
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+++ b/gif2rgb.c
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@@ -515,10 +515,13 @@ static void GIF2RGB(int NumFiles, char *FileName, bool OneFileFlag,
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}
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DumpScreen2RGB(OutFileName, OneFileFlag, ColorMap, ScreenBuffer,
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GifFile->SWidth, GifFile->SHeight);
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+ for (i = 0; i < GifFile->SHeight; i++) {
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+ (void)free(ScreenBuffer[i]);
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+ }
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(void)free(ScreenBuffer);
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{
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int Error;
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if (DGifCloseFile(GifFile, &Error) == GIF_ERROR) {
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--
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2.43.0
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