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CVE-2015-7942 libxml2: heap-based buffer overflow in xmlParseConditionalSections() CVE-2015-8035 libxml2: DoS when parsing specially crafted XML document if XZ support is enabled [YOCTO #8641] (From OE-Core master rev: 27de51f4ad21d9b896e7d48041e7cdf20c564a38) (From OE-Core rev: fdaf0f8f8b034f19639f66e1d30088bb9abfc68d) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Joshua Lock <joshua.lock@collabora.co.uk> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
libxml2: CVE-2015-8035
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From f0709e3ca8f8947f2d91ed34e92e38a4c23eae63 Mon Sep 17 00:00:00 2001
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From: Daniel Veillard <veillard@redhat.com>
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Date: Tue, 3 Nov 2015 15:31:25 +0800
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Subject: CVE-2015-8035 Fix XZ compression support loop
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For https://bugzilla.gnome.org/show_bug.cgi?id=757466
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DoS when parsing specially crafted XML document if XZ support
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is compiled in (which wasn't the case for 2.9.2 and master since
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Nov 2013, fixed in next commit !)
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Upstream-Status: Backport
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https://git.gnome.org/browse/libxml2/patch/?id=f0709e3ca8f8947f2d91ed34e92e38a4c23eae63
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[YOCTO #8641]
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Signed-off-by: Armin Kuster <akuster@mvista.com>
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---
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xzlib.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/xzlib.c b/xzlib.c
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index 0dcb9f4..1fab546 100644
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--- a/xzlib.c
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+++ b/xzlib.c
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@@ -581,6 +581,10 @@ xz_decomp(xz_statep state)
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xz_error(state, LZMA_DATA_ERROR, "compressed data error");
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return -1;
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}
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+ if (ret == LZMA_PROG_ERROR) {
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+ xz_error(state, LZMA_PROG_ERROR, "compression error");
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+ return -1;
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+ }
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} while (strm->avail_out && ret != LZMA_STREAM_END);
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/* update available output and crc check value */
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--
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cgit v0.11.2
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