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openSUSE:Backports:SLE-12-SP1
htmldoc
htmldoc.openSUSE_Backports_SLE-12-SP1-CVE-2022-...
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File htmldoc.openSUSE_Backports_SLE-12-SP1-CVE-2022-0534.patch of Package htmldoc
From 312f0f9c12f26fbe015cd0e6cefa40e4b99017d9 Mon Sep 17 00:00:00 2001 From: Michael R Sweet <michael.r.sweet@gmail.com> Date: Fri, 7 Jan 2022 18:21:53 -0500 Subject: [PATCH] Block GIF images with a code size > 12 (Issue #463) Index: htmldoc-1.8.28/htmldoc/image.cxx =================================================================== --- htmldoc-1.8.28.orig/htmldoc/image.cxx 2022-02-10 13:32:48.993912619 +0100 +++ htmldoc-1.8.28/htmldoc/image.cxx 2022-02-10 13:32:49.001912668 +0100 @@ -320,6 +320,12 @@ gif_read_image(FILE *fp, /* I - I pass = 0; code_size = getc(fp); + if (code_size > 12) + { + progress_error(HD_ERROR_READ_ERROR, "Bad GIF file \"%s\" - invalid code size %d.", img->filename, code_size); + return (-1); + } + if (gif_read_lzw(fp, 1, code_size) < 0) return (-1);
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