Blame SOURCES/libxml2-2.9.7-CVE-2021-3516.patch
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From 1358d157d0bd83be1dfe356a69213df9fac0b539 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Wed, 21 Apr 2021 13:23:27 +0200
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Subject: [PATCH] Fix use-after-free with `xmllint --html --push`
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Call htmlCtxtUseOptions to make sure that names aren't stored in
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dictionaries.
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Note that this issue only affects xmllint using the HTML push parser.
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Fixes #230.
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---
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xmllint.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/xmllint.c b/xmllint.c
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index 6ca1bf54..dbef273a 100644
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--- a/xmllint.c
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+++ b/xmllint.c
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@@ -2213,7 +2213,7 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
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if (res > 0) {
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ctxt = htmlCreatePushParserCtxt(NULL, NULL,
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chars, res, filename, XML_CHAR_ENCODING_NONE);
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- xmlCtxtUseOptions(ctxt, options);
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+ htmlCtxtUseOptions(ctxt, options);
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while ((res = fread(chars, 1, pushsize, f)) > 0) {
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htmlParseChunk(ctxt, chars, res, 0);
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}
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--
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GitLab
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