From: Vijay Anusuri <[email protected]> Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539]
Signed-off-by: Vijay Anusuri <[email protected]> Signed-off-by: Steve Sakoman <[email protected]> --- .../libxml/libxml2/CVE-2021-3516.patch | 35 +++++++++++++++++++ meta/recipes-core/libxml/libxml2_2.9.10.bb | 1 + 2 files changed, 36 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch diff --git a/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch b/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch new file mode 100644 index 0000000000..200f42091e --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch @@ -0,0 +1,35 @@ +From 1358d157d0bd83be1dfe356a69213df9fac0b539 Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer <[email protected]> +Date: Wed, 21 Apr 2021 13:23:27 +0200 +Subject: [PATCH] Fix use-after-free with `xmllint --html --push` + +Call htmlCtxtUseOptions to make sure that names aren't stored in +dictionaries. + +Note that this issue only affects xmllint using the HTML push parser. + +Fixes #230. + +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539] +CVE: CVE-2021-3516 +Signed-off-by: Vijay Anusuri <[email protected]> +--- + xmllint.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/xmllint.c b/xmllint.c +index 6ca1bf54d..dbef273a8 100644 +--- a/xmllint.c ++++ b/xmllint.c +@@ -2213,7 +2213,7 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) { + if (res > 0) { + ctxt = htmlCreatePushParserCtxt(NULL, NULL, + chars, res, filename, XML_CHAR_ENCODING_NONE); +- xmlCtxtUseOptions(ctxt, options); ++ htmlCtxtUseOptions(ctxt, options); + while ((res = fread(chars, 1, pushsize, f)) > 0) { + htmlParseChunk(ctxt, chars, res, 0); + } +-- +GitLab + diff --git a/meta/recipes-core/libxml/libxml2_2.9.10.bb b/meta/recipes-core/libxml/libxml2_2.9.10.bb index 5eac864098..aa17cd8cca 100644 --- a/meta/recipes-core/libxml/libxml2_2.9.10.bb +++ b/meta/recipes-core/libxml/libxml2_2.9.10.bb @@ -41,6 +41,7 @@ SRC_URI += "http://www.w3.org/XML/Test/xmlts20080827.tar.gz;subdir=${BP};name=te file://CVE-2023-39615-pre.patch \ file://CVE-2023-39615-0001.patch \ file://CVE-2023-39615-0002.patch \ + file://CVE-2021-3516.patch \ " SRC_URI[archive.sha256sum] = "593b7b751dd18c2d6abcd0c4bcb29efc203d0b4373a6df98e3a455ea74ae2813" -- 2.34.1
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