diff --git a/gnu-system.am b/gnu-system.am index 00cf38f319..ec9f63c5a0 100644 --- a/gnu-system.am +++ b/gnu-system.am @@ -559,25 +559,6 @@ dist_patch_DATA = \ gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch \ gnu/packages/patches/libwmf-CVE-2015-4695.patch \ gnu/packages/patches/libwmf-CVE-2015-4696.patch \ - gnu/packages/patches/libxml2-CVE-2015-1819.patch \ - gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch \ - gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch \ - gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch \ - gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch \ - gnu/packages/patches/libxml2-CVE-2015-8035.patch \ - gnu/packages/patches/libxml2-bug-737840.patch \ - gnu/packages/patches/libxml2-bug-738805.patch \ - gnu/packages/patches/libxml2-bug-746048.patch \ - gnu/packages/patches/libxml2-bug-747437.patch \ - gnu/packages/patches/libxml2-bug-751603.patch \ - gnu/packages/patches/libxml2-bug-751631.patch \ - gnu/packages/patches/libxml2-bug-754946.patch \ - gnu/packages/patches/libxml2-bug-754947.patch \ - gnu/packages/patches/libxml2-bug-755857.patch \ - gnu/packages/patches/libxml2-fix-catalog-corruption.patch \ - gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch \ - gnu/packages/patches/libxml2-node-sort-order-pt1.patch \ - gnu/packages/patches/libxml2-node-sort-order-pt2.patch \ gnu/packages/patches/libxslt-CVE-2015-7995.patch \ gnu/packages/patches/lirc-localstatedir.patch \ gnu/packages/patches/libpthread-glibc-preparation.patch \ diff --git a/gnu/packages/patches/libxml2-CVE-2015-1819.patch b/gnu/packages/patches/libxml2-CVE-2015-1819.patch deleted file mode 100644 index 58461c73b2..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-1819.patch +++ /dev/null @@ -1,176 +0,0 @@ -From 213f1fe0d76d30eaed6e5853057defc43e6df2c9 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Tue, 14 Apr 2015 17:41:48 +0800 -Subject: [PATCH] CVE-2015-1819 Enforce the reader to run in constant memory - -One of the operation on the reader could resolve entities -leading to the classic expansion issue. Make sure the -buffer used for xmlreader operation is bounded. -Introduce a new allocation type for the buffers for this effect. ---- - buf.c | 43 ++++++++++++++++++++++++++++++++++++++++++- - include/libxml/tree.h | 3 ++- - xmlreader.c | 20 +++++++++++++++++++- - 3 files changed, 63 insertions(+), 3 deletions(-) - -diff --git a/buf.c b/buf.c -index 6efc7b6..07922ff 100644 ---- a/buf.c -+++ b/buf.c -@@ -27,6 +27,7 @@ - #include - #include - #include -+#include /* for XML_MAX_TEXT_LENGTH */ - #include "buf.h" - - #define WITH_BUFFER_COMPAT -@@ -299,7 +300,8 @@ xmlBufSetAllocationScheme(xmlBufPtr buf, - if ((scheme == XML_BUFFER_ALLOC_DOUBLEIT) || - (scheme == XML_BUFFER_ALLOC_EXACT) || - (scheme == XML_BUFFER_ALLOC_HYBRID) || -- (scheme == XML_BUFFER_ALLOC_IMMUTABLE)) { -+ (scheme == XML_BUFFER_ALLOC_IMMUTABLE) || -+ (scheme == XML_BUFFER_ALLOC_BOUNDED)) { - buf->alloc = scheme; - if (buf->buffer) - buf->buffer->alloc = scheme; -@@ -458,6 +460,18 @@ xmlBufGrowInternal(xmlBufPtr buf, size_t len) { - size = buf->use + len + 100; - #endif - -+ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { -+ /* -+ * Used to provide parsing limits -+ */ -+ if ((buf->use + len >= XML_MAX_TEXT_LENGTH) || -+ (buf->size >= XML_MAX_TEXT_LENGTH)) { -+ xmlBufMemoryError(buf, "buffer error: text too long\n"); -+ return(0); -+ } -+ if (size >= XML_MAX_TEXT_LENGTH) -+ size = XML_MAX_TEXT_LENGTH; -+ } - if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) { - size_t start_buf = buf->content - buf->contentIO; - -@@ -739,6 +753,15 @@ xmlBufResize(xmlBufPtr buf, size_t size) - CHECK_COMPAT(buf) - - if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return(0); -+ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { -+ /* -+ * Used to provide parsing limits -+ */ -+ if (size >= XML_MAX_TEXT_LENGTH) { -+ xmlBufMemoryError(buf, "buffer error: text too long\n"); -+ return(0); -+ } -+ } - - /* Don't resize if we don't have to */ - if (size < buf->size) -@@ -867,6 +890,15 @@ xmlBufAdd(xmlBufPtr buf, const xmlChar *str, int len) { - - needSize = buf->use + len + 2; - if (needSize > buf->size){ -+ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { -+ /* -+ * Used to provide parsing limits -+ */ -+ if (needSize >= XML_MAX_TEXT_LENGTH) { -+ xmlBufMemoryError(buf, "buffer error: text too long\n"); -+ return(-1); -+ } -+ } - if (!xmlBufResize(buf, needSize)){ - xmlBufMemoryError(buf, "growing buffer"); - return XML_ERR_NO_MEMORY; -@@ -938,6 +970,15 @@ xmlBufAddHead(xmlBufPtr buf, const xmlChar *str, int len) { - } - needSize = buf->use + len + 2; - if (needSize > buf->size){ -+ if (buf->alloc == XML_BUFFER_ALLOC_BOUNDED) { -+ /* -+ * Used to provide parsing limits -+ */ -+ if (needSize >= XML_MAX_TEXT_LENGTH) { -+ xmlBufMemoryError(buf, "buffer error: text too long\n"); -+ return(-1); -+ } -+ } - if (!xmlBufResize(buf, needSize)){ - xmlBufMemoryError(buf, "growing buffer"); - return XML_ERR_NO_MEMORY; -diff --git a/include/libxml/tree.h b/include/libxml/tree.h -index 2f90717..4a9b3bc 100644 ---- a/include/libxml/tree.h -+++ b/include/libxml/tree.h -@@ -76,7 +76,8 @@ typedef enum { - XML_BUFFER_ALLOC_EXACT, /* grow only to the minimal size */ - XML_BUFFER_ALLOC_IMMUTABLE, /* immutable buffer */ - XML_BUFFER_ALLOC_IO, /* special allocation scheme used for I/O */ -- XML_BUFFER_ALLOC_HYBRID /* exact up to a threshold, and doubleit thereafter */ -+ XML_BUFFER_ALLOC_HYBRID, /* exact up to a threshold, and doubleit thereafter */ -+ XML_BUFFER_ALLOC_BOUNDED /* limit the upper size of the buffer */ - } xmlBufferAllocationScheme; - - /** -diff --git a/xmlreader.c b/xmlreader.c -index f19e123..471e7e2 100644 ---- a/xmlreader.c -+++ b/xmlreader.c -@@ -2091,6 +2091,9 @@ xmlNewTextReader(xmlParserInputBufferPtr input, const char *URI) { - "xmlNewTextReader : malloc failed\n"); - return(NULL); - } -+ /* no operation on a reader should require a huge buffer */ -+ xmlBufSetAllocationScheme(ret->buffer, -+ XML_BUFFER_ALLOC_BOUNDED); - ret->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); - if (ret->sax == NULL) { - xmlBufFree(ret->buffer); -@@ -3616,6 +3619,7 @@ xmlTextReaderConstValue(xmlTextReaderPtr reader) { - return(((xmlNsPtr) node)->href); - case XML_ATTRIBUTE_NODE:{ - xmlAttrPtr attr = (xmlAttrPtr) node; -+ const xmlChar *ret; - - if ((attr->children != NULL) && - (attr->children->type == XML_TEXT_NODE) && -@@ -3629,10 +3633,21 @@ xmlTextReaderConstValue(xmlTextReaderPtr reader) { - "xmlTextReaderSetup : malloc failed\n"); - return (NULL); - } -+ xmlBufSetAllocationScheme(reader->buffer, -+ XML_BUFFER_ALLOC_BOUNDED); - } else - xmlBufEmpty(reader->buffer); - xmlBufGetNodeContent(reader->buffer, node); -- return(xmlBufContent(reader->buffer)); -+ ret = xmlBufContent(reader->buffer); -+ if (ret == NULL) { -+ /* error on the buffer best to reallocate */ -+ xmlBufFree(reader->buffer); -+ reader->buffer = xmlBufCreateSize(100); -+ xmlBufSetAllocationScheme(reader->buffer, -+ XML_BUFFER_ALLOC_BOUNDED); -+ ret = BAD_CAST ""; -+ } -+ return(ret); - } - break; - } -@@ -5131,6 +5146,9 @@ xmlTextReaderSetup(xmlTextReaderPtr reader, - "xmlTextReaderSetup : malloc failed\n"); - return (-1); - } -+ /* no operation on a reader should require a huge buffer */ -+ xmlBufSetAllocationScheme(reader->buffer, -+ XML_BUFFER_ALLOC_BOUNDED); - if (reader->sax == NULL) - reader->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler)); - if (reader->sax == NULL) { --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch b/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch deleted file mode 100644 index 4ca49039b2..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch +++ /dev/null @@ -1,32 +0,0 @@ -From a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Mon, 23 Feb 2015 11:17:35 +0800 -Subject: [PATCH] Stop parsing on entities boundaries errors - -For https://bugzilla.gnome.org/show_bug.cgi?id=744980 - -There are times, like on unterminated entities that it's preferable to -stop parsing, even if that means less error reporting. Entities are -feeding the parser on further processing, and if they are ill defined -then it's possible to get the parser to bug. Also do the same on -Conditional Sections if the input is broken, as the structure of -the document can't be guessed. ---- - parser.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/parser.c b/parser.c -index a8d1b67..bbe97eb 100644 ---- a/parser.c -+++ b/parser.c -@@ -5658,6 +5658,7 @@ xmlParseEntityDecl(xmlParserCtxtPtr ctxt) { - if (RAW != '>') { - xmlFatalErrMsgStr(ctxt, XML_ERR_ENTITY_NOT_FINISHED, - "xmlParseEntityDecl: entity %s not terminated\n", name); -+ xmlStopParser(ctxt); - } else { - if (input != ctxt->input) { - xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_BOUNDARY, --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch b/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch deleted file mode 100644 index 30563a46b6..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 9b8512337d14c8ddf662fcb98b0135f225a1c489 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Mon, 23 Feb 2015 11:29:20 +0800 -Subject: [PATCH] Cleanup conditional section error handling - -For https://bugzilla.gnome.org/show_bug.cgi?id=744980 - -The error handling of Conditional Section also need to be -straightened as the structure of the document can't be -guessed on a failure there and it's better to stop parsing -as further errors are likely to be irrelevant. ---- - parser.c | 6 ++++++ - 1 file changed, 6 insertions(+) - -diff --git a/parser.c b/parser.c -index bbe97eb..fe603ac 100644 ---- a/parser.c -+++ b/parser.c -@@ -6770,6 +6770,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { - SKIP_BLANKS; - if (RAW != '[') { - xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); -+ xmlStopParser(ctxt); -+ return; - } else { - if (ctxt->input->id != id) { - xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, -@@ -6830,6 +6832,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { - SKIP_BLANKS; - if (RAW != '[') { - xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); -+ xmlStopParser(ctxt); -+ return; - } else { - if (ctxt->input->id != id) { - xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, -@@ -6885,6 +6889,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { - - } else { - xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID_KEYWORD, NULL); -+ xmlStopParser(ctxt); -+ return; - } - - if (RAW == 0) --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch b/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch deleted file mode 100644 index bd9077d7c4..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch +++ /dev/null @@ -1,32 +0,0 @@ -From bd0526e66a56e75a18da8c15c4750db8f801c52d Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Fri, 23 Oct 2015 19:02:28 +0800 -Subject: [PATCH] Another variation of overflow in Conditional sections - -Which happen after the previous fix to -https://bugzilla.gnome.org/show_bug.cgi?id=756456 - -But stopping the parser and exiting we didn't pop the intermediary entities -and doing the SKIP there applies on an input which may be too small ---- - parser.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - -diff --git a/parser.c b/parser.c -index a65e4cc..b9217ff 100644 ---- a/parser.c -+++ b/parser.c -@@ -6915,7 +6915,9 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { - "All markup of the conditional section is not in the same entity\n", - NULL, NULL); - } -- SKIP(3); -+ if ((ctxt-> instate != XML_PARSER_EOF) && -+ ((ctxt->input->cur + 3) < ctxt->input->end)) -+ SKIP(3); - } - } - --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch b/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch deleted file mode 100644 index 115d369ac3..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 41ac9049a27f52e7a1f3b341f8714149fc88d450 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Tue, 27 Oct 2015 10:53:44 +0800 -Subject: [PATCH] Fix an error in previous Conditional section patch - -an off by one mistake in the change, led to error on correct -document where the end of the included entity was exactly -the end of the conditional section, leading to regtest failure ---- - parser.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/parser.c b/parser.c -index b9217ff..d67b300 100644 ---- a/parser.c -+++ b/parser.c -@@ -6916,7 +6916,7 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { - NULL, NULL); - } - if ((ctxt-> instate != XML_PARSER_EOF) && -- ((ctxt->input->cur + 3) < ctxt->input->end)) -+ ((ctxt->input->cur + 3) <= ctxt->input->end)) - SKIP(3); - } - } --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-CVE-2015-8035.patch b/gnu/packages/patches/libxml2-CVE-2015-8035.patch deleted file mode 100644 index d29c96228e..0000000000 --- a/gnu/packages/patches/libxml2-CVE-2015-8035.patch +++ /dev/null @@ -1,31 +0,0 @@ -From f0709e3ca8f8947f2d91ed34e92e38a4c23eae63 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Tue, 3 Nov 2015 15:31:25 +0800 -Subject: [PATCH] CVE-2015-8035 Fix XZ compression support loop - -For https://bugzilla.gnome.org/show_bug.cgi?id=757466 -DoS when parsing specially crafted XML document if XZ support -is compiled in (which wasn't the case for 2.9.2 and master since -Nov 2013, fixed in next commit !) ---- - xzlib.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/xzlib.c b/xzlib.c -index 0dcb9f4..1fab546 100644 ---- a/xzlib.c -+++ b/xzlib.c -@@ -581,6 +581,10 @@ xz_decomp(xz_statep state) - xz_error(state, LZMA_DATA_ERROR, "compressed data error"); - return -1; - } -+ if (ret == LZMA_PROG_ERROR) { -+ xz_error(state, LZMA_PROG_ERROR, "compression error"); -+ return -1; -+ } - } while (strm->avail_out && ret != LZMA_STREAM_END); - - /* update available output and crc check value */ --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-bug-737840.patch b/gnu/packages/patches/libxml2-bug-737840.patch deleted file mode 100644 index 2a2d62c583..0000000000 --- a/gnu/packages/patches/libxml2-bug-737840.patch +++ /dev/null @@ -1,88 +0,0 @@ -From ef709ce2f7b792d5fb69ed142796d743fb1eb388 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Thu, 10 Sep 2015 19:41:41 +0800 -Subject: [PATCH] Fix the spurious ID already defined error - -For https://bugzilla.gnome.org/show_bug.cgi?id=737840 -the fix for 724903 introduced a regression on external entities carrying -IDs, revert that patch in part and add a specific test to avoid readding it ---- - result/valid/737840.xml | 10 ++++++++++ - result/valid/737840.xml.err | 0 - result/valid/737840.xml.err.rdr | 0 - test/valid/737840.xml | 10 ++++++++++ - test/valid/dtds/737840.ent | 1 + - valid.c | 6 ++++-- - 6 files changed, 25 insertions(+), 2 deletions(-) - create mode 100644 result/valid/737840.xml - create mode 100644 result/valid/737840.xml.err - create mode 100644 result/valid/737840.xml.err.rdr - create mode 100644 test/valid/737840.xml - create mode 100644 test/valid/dtds/737840.ent - -diff --git a/result/valid/737840.xml b/result/valid/737840.xml -new file mode 100644 -index 0000000..433c6d6 ---- /dev/null -+++ b/result/valid/737840.xml -@@ -0,0 +1,10 @@ -+ -+ -+ -+ -+ -+]> -+ -+ ⌖ -+ -diff --git a/result/valid/737840.xml.err b/result/valid/737840.xml.err -new file mode 100644 -index 0000000..e69de29 -diff --git a/result/valid/737840.xml.err.rdr b/result/valid/737840.xml.err.rdr -new file mode 100644 -index 0000000..e69de29 -diff --git a/test/valid/737840.xml b/test/valid/737840.xml -new file mode 100644 -index 0000000..2d27b73 ---- /dev/null -+++ b/test/valid/737840.xml -@@ -0,0 +1,10 @@ -+ -+ -+ -+ -+]> -+ -+ -+ ⌖ -+ -diff --git a/test/valid/dtds/737840.ent b/test/valid/dtds/737840.ent -new file mode 100644 -index 0000000..e972132 ---- /dev/null -+++ b/test/valid/dtds/737840.ent -@@ -0,0 +1 @@ -+ -\ No newline at end of file -diff --git a/valid.c b/valid.c -index 409aa81..45a3f70 100644 ---- a/valid.c -+++ b/valid.c -@@ -2634,8 +2634,10 @@ xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, - /* - * The id is already defined in this DTD. - */ -- xmlErrValidNode(ctxt, attr->parent, XML_DTD_ID_REDEFINED, -- "ID %s already defined\n", value, NULL, NULL); -+ if (ctxt != NULL) { -+ xmlErrValidNode(ctxt, attr->parent, XML_DTD_ID_REDEFINED, -+ "ID %s already defined\n", value, NULL, NULL); -+ } - #endif /* LIBXML_VALID_ENABLED */ - xmlFreeID(ret); - return(NULL); --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-bug-738805.patch b/gnu/packages/patches/libxml2-bug-738805.patch deleted file mode 100644 index 16163bb941..0000000000 --- a/gnu/packages/patches/libxml2-bug-738805.patch +++ /dev/null @@ -1,31 +0,0 @@ -From 72a46a519ce7326d9a00f0b6a7f2a8e958cd1675 Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Thu, 23 Oct 2014 11:35:36 +0800 -Subject: [PATCH] Fix missing entities after CVE-2014-3660 fix - -For https://bugzilla.gnome.org/show_bug.cgi?id=738805 - -The fix for CVE-2014-3660 introduced a regression in some case -where entity substitution is required and the entity is used -first in anotther entity referenced from an attribute value ---- - parser.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - -diff --git a/parser.c b/parser.c -index 67c9dfd..a8d1b67 100644 ---- a/parser.c -+++ b/parser.c -@@ -7235,7 +7235,8 @@ xmlParseReference(xmlParserCtxtPtr ctxt) { - * far more secure as the parser will only process data coming from - * the document entity by default. - */ -- if ((ent->checked == 0) && -+ if (((ent->checked == 0) || -+ ((ent->children == NULL) && (ctxt->options & XML_PARSE_NOENT))) && - ((ent->etype != XML_EXTERNAL_GENERAL_PARSED_ENTITY) || - (ctxt->options & (XML_PARSE_NOENT | XML_PARSE_DTDVALID)))) { - unsigned long oldnbent = ctxt->nbentities; --- -2.6.3 - diff --git a/gnu/packages/patches/libxml2-bug-746048.patch b/gnu/packages/patches/libxml2-bug-746048.patch deleted file mode 100644 index 450b8d3ab3..0000000000 --- a/gnu/packages/patches/libxml2-bug-746048.patch +++ /dev/null @@ -1,65 +0,0 @@ -From e724879d964d774df9b7969fc846605aa1bac54c Mon Sep 17 00:00:00 2001 -From: Daniel Veillard -Date: Fri, 30 Oct 2015 21:14:55 +0800 -Subject: [PATCH] Fix parsing short unclosed comment uninitialized access - -For https://bugzilla.gnome.org/show_bug.cgi?id=746048 -The HTML parser was too optimistic when processing comments and -didn't check for the end of the stream on the first 2 characters ---- - HTMLparser.c | 21 ++++++++++++++------- - 1 file changed, 14 insertions(+), 7 deletions(-) - -diff --git a/HTMLparser.c b/HTMLparser.c -index 19c10c3..bdf7807 100644 ---- a/HTMLparser.c -+++ b/HTMLparser.c -@@ -3264,12 +3264,17 @@ htmlParseComment(htmlParserCtxtPtr ctxt) { - ctxt->instate = state; - return; - } -+ len = 0; -+ buf[len] = 0; - q = CUR_CHAR(ql); -+ if (!IS_CHAR(q)) -+ goto unfinished; - NEXTL(ql); - r = CUR_CHAR(rl); -+ if (!IS_CHAR(r)) -+ goto unfinished; - NEXTL(rl); - cur = CUR_CHAR(l); -- len = 0; - while (IS_CHAR(cur) && - ((cur != '>') || - (r != '-') || (q != '-'))) { -@@ -3300,18 +3305,20 @@ htmlParseComment(htmlParserCtxtPtr ctxt) { - } - } - buf[len] = 0; -- if (!IS_CHAR(cur)) { -- htmlParseErr(ctxt, XML_ERR_COMMENT_NOT_FINISHED, -- "Comment not terminated \n