5a836ce38c
* gnu/packages/xml.scm (expat)[replacement]: New field. (expat/fixed): New variable. * gnu/packages/patches/expat-CVE-2018-20843.patch: New file. * gnu/local.mk (dist_patch_DATA): Add patch file. Signed-off-by: Marius Bakke <mbakke@fastmail.com>
22 lines
649 B
Diff
22 lines
649 B
Diff
Fix extraction of namespace prefix from XML name.
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Fixes CVE-2018-20843
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This patch comes from upstream commit 11f8838bf99ea0a6f0b76f9760c43704d00c4ff6
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https://github.com/libexpat/libexpat/commit/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6
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CVE is https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843
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diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
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index 30d55c5..737d7cd 100644
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--- a/lib/xmlparse.c
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+++ b/lib/xmlparse.c
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@@ -6071,7 +6071,7 @@ setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType)
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else
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poolDiscard(&dtd->pool);
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elementType->prefix = prefix;
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-
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+ break;
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}
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}
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return 1;
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