diff --git a/expat-2.7.3-CVE-2026-45186.patch b/expat-2.7.3-CVE-2026-45186.patch new file mode 100644 index 0000000..00d425e --- /dev/null +++ b/expat-2.7.3-CVE-2026-45186.patch @@ -0,0 +1,586 @@ +From 5ec3c665d9b29f7c0373873080a88f4f826d2d6c Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Berkay=20Eren=20=C3=9Cr=C3=BCn?= +Date: Fri, 13 Mar 2026 13:26:45 +0100 +Subject: [PATCH 1/7] Make "counting_start_element_handler" count default attrs + +--- + expat/tests/basic_tests.c | 8 ++++---- + expat/tests/handlers.c | 2 +- + expat/tests/handlers.h | 1 + + 3 files changed, 6 insertions(+), 5 deletions(-) + +diff --git a/expat/tests/basic_tests.c b/expat/tests/basic_tests.c +index 0231e094..cc356e95 100644 +--- a/expat/tests/basic_tests.c ++++ b/expat/tests/basic_tests.c +@@ -2466,9 +2466,9 @@ START_TEST(test_attributes) { + {XCS("id"), XCS("one")}, + {NULL, NULL}}; + AttrInfo tag_info[] = {{XCS("c"), XCS("3")}, {NULL, NULL}}; +- ElementInfo info[] = {{XCS("doc"), 3, XCS("id"), NULL}, +- {XCS("tag"), 1, NULL, NULL}, +- {NULL, 0, NULL, NULL}}; ++ ElementInfo info[] = {{XCS("doc"), 3, 0, XCS("id"), NULL}, ++ {XCS("tag"), 1, 0, NULL, NULL}, ++ {NULL, 0, 0, NULL, NULL}}; + info[0].attributes = doc_info; + info[1].attributes = tag_info; + +@@ -5499,7 +5499,7 @@ START_TEST(test_deep_nested_attribute_entity) { + (long unsigned)(N_LINES - 1)); + + AttrInfo doc_info[] = {{XCS("name"), XCS("deepText")}, {NULL, NULL}}; +- ElementInfo info[] = {{XCS("foo"), 1, NULL, NULL}, {NULL, 0, NULL, NULL}}; ++ ElementInfo info[] = {{XCS("foo"), 1, 0, NULL, NULL}, {NULL, 0, 0, NULL, NULL}}; + info[0].attributes = doc_info; + + XML_Parser parser = XML_ParserCreate(NULL); +diff --git a/expat/tests/handlers.c b/expat/tests/handlers.c +index 5bca2b1f..72b4240f 100644 +--- a/expat/tests/handlers.c ++++ b/expat/tests/handlers.c +@@ -136,7 +136,7 @@ counting_start_element_handler(void *userData, const XML_Char *name, + fail("ID does not have the correct name"); + return; + } +- for (i = 0; i < info->attr_count; i++) { ++ for (i = 0; i < info->attr_count + info->default_attr_count; i++) { + attr = info->attributes; + while (attr->name != NULL) { + if (! xcstrcmp(atts[0], attr->name)) +diff --git a/expat/tests/handlers.h b/expat/tests/handlers.h +index fa6267fb..1970fe66 100644 +--- a/expat/tests/handlers.h ++++ b/expat/tests/handlers.h +@@ -88,6 +88,7 @@ typedef struct attrInfo { + typedef struct elementInfo { + const XML_Char *name; + int attr_count; ++ int default_attr_count; + const XML_Char *id_name; + AttrInfo *attributes; + } ElementInfo; + +From 5cbc6b297c87021b5659d4520654cf746b2a4850 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Berkay=20Eren=20=C3=9Cr=C3=BCn?= +Date: Fri, 13 Mar 2026 13:27:31 +0100 +Subject: [PATCH 2/7] test(attlist): Cover duplicate attribute names + +Co-authored-by: Sebastian Pipping +--- + expat/tests/basic_tests.c | 282 ++++++++++++++++++++++++++++++++++++++ + 1 file changed, 282 insertions(+) + +diff --git a/expat/tests/basic_tests.c b/expat/tests/basic_tests.c +index cc356e95..9729757e 100644 +--- a/expat/tests/basic_tests.c ++++ b/expat/tests/basic_tests.c +@@ -2489,6 +2489,279 @@ START_TEST(test_attributes) { + } + END_TEST + ++START_TEST(test_duplicate_cdata_attribute) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one definition is provided for the same attribute of a given ++ element type, the first declaration is binding and later declarations are ++ ignored. ++ */ ++ ++ const char *text ++ = "\n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{XCS("attribute"), XCS("expected")}, {NULL, NULL}}; ++ ElementInfo info[] ++ = {{XCS("doc"), 0, 1, NULL, doc_info}, {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_id_attribute_1) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one definition is provided for the same attribute of a given ++ element type, the first declaration is binding and later declarations are ++ ignored. ++ */ ++ ++ const char *text ++ = "\n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{XCS("identifier"), XCS("expected")}, {NULL, NULL}}; ++ ElementInfo info[] ++ = {{XCS("doc"), 0, 1, NULL, doc_info}, {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_id_attribute_2) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one definition is provided for the same attribute of a given ++ element type, the first declaration is binding and later declarations are ++ ignored. ++ */ ++ ++ const char *text ++ = "\n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{NULL, NULL}}; ++ ++ ElementInfo info[] ++ = {{XCS("doc"), 0, 0, NULL, doc_info}, {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_cdata_attribute_multiple_attlistdecl) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one AttlistDecl is provided for a given element type, ++ the contents of all those provided are merged. ++ */ ++ const char *text = "\n" ++ " \n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{XCS("attribute"), XCS("expected")}, {NULL, NULL}}; ++ ElementInfo info[] ++ = {{XCS("doc"), 0, 1, NULL, doc_info}, {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_cdata_attribute_multiple_attlistdecl_2) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one AttlistDecl is provided for a given element type, ++ the contents of all those provided are merged. ++ */ ++ const char *text = "\n" ++ " \n" ++ " \n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{XCS("attribute"), XCS("expected_doc")}, {NULL, NULL}}; ++ AttrInfo tag_info[] = {{XCS("attribute"), XCS("expected_tag")}, {NULL, NULL}}; ++ ElementInfo info[] = {{XCS("doc"), 0, 1, NULL, doc_info}, ++ {XCS("tag"), 0, 1, NULL, tag_info}, ++ {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_cdata_attribute_multiple_attlistdecl_3) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one AttlistDecl is provided for a given element type, ++ the contents of all those provided are merged. ++ */ ++ const char *text ++ = "\n" ++ " \n" ++ " \n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] = {{XCS("attribute"), XCS("expected_doc")}, ++ {XCS("second_attribute"), XCS("second_expected_doc")}, ++ {NULL, NULL}}; ++ AttrInfo tag_info[] = {{XCS("attribute"), XCS("expected_tag")}, {NULL, NULL}}; ++ ElementInfo info[] = {{XCS("doc"), 0, 2, NULL, doc_info}, ++ {XCS("tag"), 0, 1, NULL, tag_info}, ++ {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ ++START_TEST(test_duplicate_id_attribute_multiple_attlistdecl) { ++ /* ++ https://www.w3.org/TR/xml/#attdecls ++ ++ Test the following statement from the linked specification: ++ When more than one AttlistDecl is provided for a given element type, ++ the contents of all those provided are merged. ++ */ ++ const char *text = "\n" ++ " \n" ++ " \n" ++ "]>\n" ++ "\n"; ++ AttrInfo doc_info[] ++ = {{XCS("identifier"), XCS("doc_identity")}, {NULL, NULL}}; ++ AttrInfo tag_info[] ++ = {{XCS("identifier"), XCS("identifier_tag")}, {NULL, NULL}}; ++ ElementInfo info[] = {{XCS("doc"), 1, 0, XCS("identifier"), doc_info}, ++ {XCS("tag"), 0, 1, NULL, tag_info}, ++ {NULL, 0, 0, NULL, NULL}}; ++ ++ XML_Parser parser = XML_ParserCreate(NULL); ++ assert_true(parser != NULL); ++ ++ ParserAndElementInfo parserAndElementInfos = { ++ parser, ++ info, ++ }; ++ ++ XML_SetStartElementHandler(parser, counting_start_element_handler); ++ XML_SetUserData(parser, &parserAndElementInfos); ++ ++ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE) ++ != XML_STATUS_OK) ++ xml_failure(parser); ++ ++ XML_ParserFree(parser); ++} ++END_TEST ++ + /* Test reset works correctly in the middle of processing an internal + * entity. Exercises some obscure code in XML_ParserReset(). + */ +@@ -6311,6 +6584,15 @@ make_basic_test_case(Suite *s) { + tcase_add_test__ifdef_xml_dtd(tc_basic, test_empty_foreign_dtd); + tcase_add_test(tc_basic, test_set_base); + tcase_add_test(tc_basic, test_attributes); ++ tcase_add_test(tc_basic, test_duplicate_cdata_attribute); ++ tcase_add_test(tc_basic, test_duplicate_id_attribute_1); ++ tcase_add_test(tc_basic, test_duplicate_id_attribute_2); ++ tcase_add_test(tc_basic, test_duplicate_cdata_attribute_multiple_attlistdecl); ++ tcase_add_test(tc_basic, ++ test_duplicate_cdata_attribute_multiple_attlistdecl_2); ++ tcase_add_test(tc_basic, ++ test_duplicate_cdata_attribute_multiple_attlistdecl_3); ++ tcase_add_test(tc_basic, test_duplicate_id_attribute_multiple_attlistdecl); + tcase_add_test__if_xml_ge(tc_basic, test_reset_in_entity); + tcase_add_test(tc_basic, test_resume_invalid_parse); + tcase_add_test(tc_basic, test_resume_resuspended); + +From 58877476211c8cc6337e7d0617d85d470437126a Mon Sep 17 00:00:00 2001 +From: Sebastian Pipping +Date: Mon, 20 Apr 2026 13:44:43 +0200 +Subject: [PATCH 3/7] tests: Define .attributes the first time around + +--- + expat/tests/basic_tests.c | 10 ++++------ + 1 file changed, 4 insertions(+), 6 deletions(-) + +diff --git a/expat/tests/basic_tests.c b/expat/tests/basic_tests.c +index 9729757e..cdcae029 100644 +--- a/expat/tests/basic_tests.c ++++ b/expat/tests/basic_tests.c +@@ -2466,11 +2466,9 @@ START_TEST(test_attributes) { + {XCS("id"), XCS("one")}, + {NULL, NULL}}; + AttrInfo tag_info[] = {{XCS("c"), XCS("3")}, {NULL, NULL}}; +- ElementInfo info[] = {{XCS("doc"), 3, 0, XCS("id"), NULL}, +- {XCS("tag"), 1, 0, NULL, NULL}, ++ ElementInfo info[] = {{XCS("doc"), 3, 0, XCS("id"), doc_info}, ++ {XCS("tag"), 1, 0, NULL, tag_info}, + {NULL, 0, 0, NULL, NULL}}; +- info[0].attributes = doc_info; +- info[1].attributes = tag_info; + + XML_Parser parser = XML_ParserCreate(NULL); + assert_true(parser != NULL); +@@ -5772,8 +5770,8 @@ START_TEST(test_deep_nested_attribute_entity) { + (long unsigned)(N_LINES - 1)); + + AttrInfo doc_info[] = {{XCS("name"), XCS("deepText")}, {NULL, NULL}}; +- ElementInfo info[] = {{XCS("foo"), 1, 0, NULL, NULL}, {NULL, 0, 0, NULL, NULL}}; +- info[0].attributes = doc_info; ++ ElementInfo info[] ++ = {{XCS("foo"), 1, 0, NULL, doc_info}, {NULL, 0, 0, NULL, NULL}}; + + XML_Parser parser = XML_ParserCreate(NULL); + ParserAndElementInfo parserPlusElemenInfo = {parser, info}; + +From b3afb59fdcdb11cb994f65a3566bd97de793a2ff Mon Sep 17 00:00:00 2001 +From: Sebastian Pipping +Date: Mon, 13 Apr 2026 01:34:03 +0200 +Subject: [PATCH 4/7] tests: Make counting_start_element_handler enforce + complete attribute lists + +--- + expat/tests/handlers.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/expat/tests/handlers.c b/expat/tests/handlers.c +index 72b4240f..8008bc21 100644 +--- a/expat/tests/handlers.c ++++ b/expat/tests/handlers.c +@@ -154,6 +154,9 @@ counting_start_element_handler(void *userData, const XML_Char *name, + /* Remember, two entries in atts per attribute (see above) */ + atts += 2; + } ++ ++ // Self-test that the test case's list of expected attributes is complete ++ assert_true(atts[0] == NULL); + } + + void XMLCALL + +From c54aa8e912db8d0bcccbc3ceebaea011865a5024 Mon Sep 17 00:00:00 2001 +From: Sebastian Pipping +Date: Sun, 8 Mar 2026 22:14:41 +0100 +Subject: [PATCH 5/7] lib: Extract a constant for upcoming reuse + +--- + expat/lib/xmlparse.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c +index a187a3a1..5cf2c279 100644 +--- a/expat/lib/xmlparse.c ++++ b/expat/lib/xmlparse.c +@@ -7685,8 +7685,9 @@ dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd, + newE->prefix = (PREFIX *)lookup(oldParser, &(newDtd->prefixes), + oldE->prefix->name, 0); + for (i = 0; i < newE->nDefaultAtts; i++) { ++ const XML_Char *const attributeName = oldE->defaultAtts[i].id->name; + newE->defaultAtts[i].id = (ATTRIBUTE_ID *)lookup( +- oldParser, &(newDtd->attributeIds), oldE->defaultAtts[i].id->name, 0); ++ oldParser, &(newDtd->attributeIds), attributeName, 0); + newE->defaultAtts[i].isCdata = oldE->defaultAtts[i].isCdata; + if (oldE->defaultAtts[i].value) { + newE->defaultAtts[i].value + +From be28a1e7abf734463b0388a9dc58320892e4d256 Mon Sep 17 00:00:00 2001 +From: Sebastian Pipping +Date: Sun, 8 Mar 2026 23:05:49 +0100 +Subject: [PATCH 6/7] lib: Introduce ELEMENT_TYPE.defaultAttsNames + +--- + expat/lib/xmlparse.c | 17 +++++++++++++++++ + 1 file changed, 17 insertions(+) + +diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c +index 5cf2c279..8c0d2a43 100644 +--- a/expat/lib/xmlparse.c ++++ b/expat/lib/xmlparse.c +@@ -389,6 +389,7 @@ typedef struct { + int nDefaultAtts; + int allocDefaultAtts; + DEFAULT_ATTRIBUTE *defaultAtts; ++ HASH_TABLE defaultAttsNames; + } ELEMENT_TYPE; + + typedef struct { +@@ -3845,6 +3846,8 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr, + sizeof(ELEMENT_TYPE)); + if (! elementType) + return XML_ERROR_NO_MEMORY; ++ if (! elementType->defaultAttsNames.parser) ++ hashTableInit(&(elementType->defaultAttsNames), parser); + if (parser->m_ns && ! setElementTypePrefix(parser, elementType)) + return XML_ERROR_NO_MEMORY; + } +@@ -7526,6 +7529,7 @@ dtdReset(DTD *p, XML_Parser parser) { + ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter); + if (! e) + break; ++ hashTableDestroy(&(e->defaultAttsNames)); + if (e->allocDefaultAtts != 0) + FREE(parser, e->defaultAtts); + } +@@ -7567,6 +7571,7 @@ dtdDestroy(DTD *p, XML_Bool isDocEntity, XML_Parser parser) { + ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter); + if (! e) + break; ++ hashTableDestroy(&(e->defaultAttsNames)); + if (e->allocDefaultAtts != 0) + FREE(parser, e->defaultAtts); + } +@@ -7660,6 +7665,10 @@ dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd, + sizeof(ELEMENT_TYPE)); + if (! newE) + return 0; ++ ++ if (! newE->defaultAttsNames.parser) ++ hashTableInit(&(newE->defaultAttsNames), parser); ++ + if (oldE->nDefaultAtts) { + /* Detect and prevent integer overflow. + * The preprocessor guard addresses the "always false" warning +@@ -7696,6 +7705,12 @@ dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd, + return 0; + } else + newE->defaultAtts[i].value = NULL; ++ ++ NAMED *const nameAddedOrFound = (NAMED *)lookup( ++ parser, &(newE->defaultAttsNames), attributeName, sizeof(NAMED)); ++ if (! nameAddedOrFound) { ++ return 0; ++ } + } + } + +@@ -8423,6 +8438,8 @@ getElementType(XML_Parser parser, const ENCODING *enc, const char *ptr, + sizeof(ELEMENT_TYPE)); + if (! ret) + return NULL; ++ if (! ret->defaultAttsNames.parser) ++ hashTableInit(&(ret->defaultAttsNames), getRootParserOf(parser, NULL)); + if (ret->name != name) + poolDiscard(&dtd->pool); + else { + +From b8960a10a17a1706ad9c07b31ed10fbf1993a544 Mon Sep 17 00:00:00 2001 +From: Sebastian Pipping +Date: Sun, 8 Mar 2026 23:06:29 +0100 +Subject: [PATCH 7/7] lib: Leverage ELEMENT_TYPE.defaultAttsNames for attribute + collision detection + +.. to resolve quadratic runtime behavior +--- + expat/lib/xmlparse.c | 14 ++++++++++---- + 1 file changed, 10 insertions(+), 4 deletions(-) + +diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c +index 8c0d2a43..c5835738 100644 +--- a/expat/lib/xmlparse.c ++++ b/expat/lib/xmlparse.c +@@ -7162,10 +7162,10 @@ defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata, + if (value || isId) { + /* The handling of default attributes gets messed up if we have + a default which duplicates a non-default. */ +- int i; +- for (i = 0; i < type->nDefaultAtts; i++) +- if (attId == type->defaultAtts[i].id) +- return 1; ++ NAMED *const nameFound ++ = (NAMED *)lookup(parser, &(type->defaultAttsNames), attId->name, 0); ++ if (nameFound) ++ return 1; + if (isId && ! type->idAtt && ! attId->xmlns) + type->idAtt = attId; + } +@@ -7212,6 +7212,12 @@ defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata, + att->isCdata = isCdata; + if (! isCdata) + attId->maybeTokenized = XML_TRUE; ++ ++ NAMED *const nameAddedOrFound = (NAMED *)lookup( ++ parser, &(type->defaultAttsNames), attId->name, sizeof(NAMED)); ++ if (! nameAddedOrFound) ++ return 0; ++ + type->nDefaultAtts += 1; + return 1; + } diff --git a/expat.spec b/expat.spec index 2dddfc4..5ad4012 100644 --- a/expat.spec +++ b/expat.spec @@ -10,6 +10,10 @@ Source2: https://keys.openpgp.org/vks/v1/by-fingerprint/3176EF7DB2367F1FCA4F306B URL: https://libexpat.github.io/ VCS: git:https://github.com/libexpat/libexpat.git License: MIT + +# https://issues.redhat.com/browse/RHEL-177983 +# https://github.com/libexpat/libexpat/pull/1216 +Patch0: expat-2.7.3-CVE-2026-45186.patch BuildRequires: autoconf, libtool, xmlto, gcc-c++ BuildRequires: make BuildRequires: gnupg2 @@ -40,7 +44,7 @@ Install it if you need to link statically with expat. %prep %{gpgverify} --keyring='%{SOURCE2}' --signature='%{SOURCE1}' --data='%{SOURCE0}' -%autosetup +%autosetup -p2 sed -i 's/install-data-hook/do-nothing-please/' lib/Makefile.am ./buildconf.sh