diff --git a/dev-libs/expat/expat-2.4.1.recipe b/dev-libs/expat/expat-2.4.3.recipe
similarity index 95%
rename from dev-libs/expat/expat-2.4.1.recipe
rename to dev-libs/expat/expat-2.4.3.recipe
index 805726b89..bc4db61cd 100644
--- a/dev-libs/expat/expat-2.4.1.recipe
+++ b/dev-libs/expat/expat-2.4.3.recipe
@@ -8,13 +8,13 @@ COPYRIGHT="1998-2000 Thai Open Source Software Center Ltd and Clark Cooper
 LICENSE="MIT"
 REVISION="1"
 SOURCE_URI="https://downloads.sourceforge.net/expat/expat-$portVersion.tar.bz2"
-CHECKSUM_SHA256="2f9b6a580b94577b150a7d5617ad4643a4301a6616ff459307df3e225bcfbf40"
+CHECKSUM_SHA256="6f262e216a494fbf42d8c22bc841b3e117c21f2467a19dc4c27c991b5622f986"
 PATCHES="expat-$portVersion.patchset"
 
 ARCHITECTURES="all"
 SECONDARY_ARCHITECTURES="x86_gcc2 x86"
 
-libVersion=1.8.1
+libVersion=1.8.3
 libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
 portVersionCompat="$portVersion compat >= 2.2"
 
diff --git a/dev-libs/expat/patches/expat-2.4.1.patchset b/dev-libs/expat/patches/expat-2.4.1.patchset
deleted file mode 100644
index e638c08f4..000000000
--- a/dev-libs/expat/patches/expat-2.4.1.patchset
+++ /dev/null
@@ -1,149 +0,0 @@
-From b2815617974146c4bb5bbbae03bee9bc835a9780 Mon Sep 17 00:00:00 2001
-From: Jerome Duval <jerome.duval@gmail.com>
-Date: Mon, 24 May 2021 20:59:30 +0200
-Subject: gcc2 build fix
-
-
-diff --git a/lib/xmlparse.c b/lib/xmlparse.c
-index 214c93f..cbee330 100644
---- a/lib/xmlparse.c
-+++ b/lib/xmlparse.c
-@@ -7251,7 +7251,7 @@ accountingReportStats(XML_Parser originParser, const char *epilog) {
-   if (rootParser->m_accounting.debugLevel < 1) {
-     return;
-   }
--
-+{
-   const float amplificationFactor
-       = accountingGetCurrentAmplification(rootParser);
-   fprintf(stderr,
-@@ -7261,6 +7261,7 @@ accountingReportStats(XML_Parser originParser, const char *epilog) {
-           rootParser->m_accounting.countBytesIndirect,
-           (double)amplificationFactor, epilog);
- }
-+}
- 
- static void
- accountingOnAbort(XML_Parser originParser) {
-@@ -7279,6 +7280,7 @@ accountingReportDiff(XML_Parser rootParser,
-           bytesMore, (account == XML_ACCOUNT_DIRECT) ? "DIR" : "EXP",
-           levelsAwayFromRootParser, source_line, 10, "");
- 
-+{
-   const char ellipis[] = "[..]";
-   const size_t ellipsisLength = sizeof(ellipis) /* because compile-time */ - 1;
-   const unsigned int contextLength = 10;
-@@ -7303,6 +7305,7 @@ accountingReportDiff(XML_Parser rootParser,
-   }
-   fprintf(stderr, "\"\n");
- }
-+}
- 
- static XML_Bool
- accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
-@@ -7321,12 +7324,13 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
- 
-   if (account == XML_ACCOUNT_NONE)
-     return XML_TRUE; /* because these bytes have been accounted for, already */
--
-+{
-   unsigned int levelsAwayFromRootParser;
-   const XML_Parser rootParser
-       = getRootParserOf(originParser, &levelsAwayFromRootParser);
-   assert(! rootParser->m_parentParser);
- 
-+{
-   const int isDirect
-       = (account == XML_ACCOUNT_DIRECT) && (originParser == rootParser);
-   const ptrdiff_t bytesMore = after - before;
-@@ -7339,7 +7343,7 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
-   if (*additionTarget > (XmlBigCount)(-1) - (XmlBigCount)bytesMore)
-     return XML_FALSE;
-   *additionTarget += bytesMore;
--
-+{
-   const XmlBigCount countBytesOutput
-       = rootParser->m_accounting.countBytesDirect
-         + rootParser->m_accounting.countBytesIndirect;
-@@ -7358,6 +7362,9 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
- 
-   return tolerated;
- }
-+}
-+}
-+}
- 
- unsigned long long
- testingAccountingGetCountBytesDirect(XML_Parser parser) {
-@@ -7380,6 +7387,7 @@ entityTrackingReportStats(XML_Parser rootParser, ENTITY *entity,
-   if (rootParser->m_entity_stats.debugLevel < 1)
-     return;
- 
-+{
- #  if defined(XML_UNICODE)
-   const char *const entityName = "[..]";
- #  else
-@@ -7396,6 +7404,7 @@ entityTrackingReportStats(XML_Parser rootParser, ENTITY *entity,
-       entity->is_param ? "%" : "&", entityName, action, entity->textLen,
-       sourceLine);
- }
-+}
- 
- static void
- entityTrackingOnOpen(XML_Parser originParser, ENTITY *entity, int sourceLine) {
-@@ -7966,9 +7975,11 @@ getDebugLevel(const char *variableName, unsigned long defaultDebugLevel) {
-   if (valueOrNull == NULL) {
-     return defaultDebugLevel;
-   }
-+{
-   const char *const value = valueOrNull;
- 
-   errno = 0;
-+{
-   char *afterValue = (char *)value;
-   unsigned long debugLevel = strtoul(value, &afterValue, 10);
-   if ((errno != 0) || (afterValue[0] != '\0')) {
-@@ -7978,3 +7989,5 @@ getDebugLevel(const char *variableName, unsigned long defaultDebugLevel) {
- 
-   return debugLevel;
- }
-+}
-+}
-diff --git a/xmlwf/xmlwf.c b/xmlwf/xmlwf.c
-index 342d6c5..d80f285 100644
---- a/xmlwf/xmlwf.c
-+++ b/xmlwf/xmlwf.c
-@@ -1050,6 +1050,7 @@ tmain(int argc, XML_Char **argv) {
-       XMLWF_SHIFT_ARG_INTO(valueText, argc, argv, i, j);
- 
-       errno = 0;
-+{
-       XML_Char *afterValueText = (XML_Char *)valueText;
-       attackMaximumAmplification = tcstof(valueText, &afterValueText);
-       if ((errno != 0) || (afterValueText[0] != T('\0'))
-@@ -1066,12 +1067,14 @@ tmain(int argc, XML_Char **argv) {
-                            ", xmlwf has been compiled without DTD support.\n"));
- #endif
-       break;
-+}
-     }
-     case T('b'): {
-       const XML_Char *valueText = NULL;
-       XMLWF_SHIFT_ARG_INTO(valueText, argc, argv, i, j);
- 
-       errno = 0;
-+{
-       XML_Char *afterValueText = (XML_Char *)valueText;
-       attackThresholdBytes = tcstoull(valueText, &afterValueText, 10);
-       if ((errno != 0) || (afterValueText[0] != T('\0'))) {
-@@ -1088,6 +1091,7 @@ tmain(int argc, XML_Char **argv) {
- #endif
-       break;
-     }
-+    }
-     case T('\0'):
-       if (j > 1) {
-         i++;
--- 
-2.30.0
-
diff --git a/dev-libs/expat/patches/expat-2.4.3.patchset b/dev-libs/expat/patches/expat-2.4.3.patchset
new file mode 100644
index 000000000..e76a368ae
--- /dev/null
+++ b/dev-libs/expat/patches/expat-2.4.3.patchset
@@ -0,0 +1,276 @@
+From e8840419856ac4dc9c369894cbf2c834dcea774c Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Mon, 24 May 2021 20:59:30 +0200
+Subject: gcc2 build fix
+
+
+diff --git a/lib/xmlparse.c b/lib/xmlparse.c
+index b2f5fc6..c129793 100644
+--- a/lib/xmlparse.c
++++ b/lib/xmlparse.c
+@@ -3455,7 +3455,7 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
+     if (parser->m_nsAttsPower >= sizeof(unsigned int) * 8 /* bits per byte */) {
+       return XML_ERROR_NO_MEMORY;
+     }
+-
++{
+     unsigned int nsAttsSize = 1u << parser->m_nsAttsPower;
+     unsigned char oldNsAttsPower = parser->m_nsAttsPower;
+     /* size of hash table must be at least 2 * (# of prefixed attributes) */
+@@ -3612,6 +3612,7 @@ storeAtts(XML_Parser parser, const ENCODING *enc, const char *attStr,
+       } else                     /* not prefixed */
+         ((XML_Char *)s)[-1] = 0; /* clear flag */
+     }
++    }
+   }
+   /* clear flags for the remaining attributes */
+   for (; i < attIndex; i += 2)
+@@ -3780,13 +3781,14 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
+         return XML_ERROR_NO_MEMORY;
+       }
+ #endif
+-
++{
+       XML_Char *temp = (XML_Char *)REALLOC(
+           parser, b->uri, sizeof(XML_Char) * (len + EXPAND_SPARE));
+       if (temp == NULL)
+         return XML_ERROR_NO_MEMORY;
+       b->uri = temp;
+       b->uriAlloc = len + EXPAND_SPARE;
++}
+     }
+     parser->m_freeBindingList = b->nextTagBinding;
+   } else {
+@@ -5138,7 +5140,7 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
+             if (parser->m_groupSize > (unsigned int)(-1) / 2u) {
+               return XML_ERROR_NO_MEMORY;
+             }
+-
++{
+             char *const new_connector = (char *)REALLOC(
+                 parser, parser->m_groupConnector, parser->m_groupSize *= 2);
+             if (new_connector == NULL) {
+@@ -5146,6 +5148,7 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
+               return XML_ERROR_NO_MEMORY;
+             }
+             parser->m_groupConnector = new_connector;
++}
+           }
+ 
+           if (dtd->scaffIndex) {
+@@ -5158,12 +5161,13 @@ doProlog(XML_Parser parser, const ENCODING *enc, const char *s, const char *end,
+               return XML_ERROR_NO_MEMORY;
+             }
+ #endif
+-
++{
+             int *const new_scaff_index = (int *)REALLOC(
+                 parser, dtd->scaffIndex, parser->m_groupSize * sizeof(int));
+             if (new_scaff_index == NULL)
+               return XML_ERROR_NO_MEMORY;
+             dtd->scaffIndex = new_scaff_index;
++}
+           }
+         } else {
+           parser->m_groupConnector
+@@ -6234,7 +6238,7 @@ defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata,
+       if (type->allocDefaultAtts > INT_MAX / 2) {
+         return 0;
+       }
+-
++{
+       int count = type->allocDefaultAtts * 2;
+ 
+       /* Detect and prevent integer overflow.
+@@ -6253,7 +6257,8 @@ defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, XML_Bool isCdata,
+         return 0;
+       type->allocDefaultAtts = count;
+       type->defaultAtts = temp;
+-    }
++}
++   }
+   }
+   att = type->defaultAtts + type->nDefaultAtts;
+   att->id = attId;
+@@ -6902,7 +6907,7 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
+       if (newPower >= sizeof(unsigned long) * 8 /* bits per byte */) {
+         return NULL;
+       }
+-
++{
+       size_t newSize = (size_t)1 << newPower;
+       unsigned long newMask = (unsigned long)newSize - 1;
+ 
+@@ -6911,7 +6916,9 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
+         return NULL;
+       }
+ 
+-      size_t tsize = newSize * sizeof(NAMED *);
++
++{
++	  size_t tsize = newSize * sizeof(NAMED *);
+       NAMED **newV = (NAMED **)table->mem->malloc_fcn(tsize);
+       if (! newV)
+         return NULL;
+@@ -6940,6 +6947,8 @@ lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize) {
+         i < step ? (i += newSize - step) : (i -= step);
+       }
+     }
++}
++    }
+   }
+   table->v[i] = (NAMED *)table->mem->malloc_fcn(createSize);
+   if (! table->v[i])
+@@ -7360,11 +7369,12 @@ build_model(XML_Parser parser) {
+       > (size_t)(-1) - dtd->contentStringLen * sizeof(XML_Char)) {
+     return NULL;
+   }
+-
++{
+   const size_t allocsize = (dtd->scaffCount * sizeof(XML_Content)
+                             + (dtd->contentStringLen * sizeof(XML_Char)));
+ 
+   ret = (XML_Content *)MALLOC(parser, allocsize);
++}
+   if (! ret)
+     return NULL;
+ 
+@@ -7443,7 +7453,7 @@ accountingReportStats(XML_Parser originParser, const char *epilog) {
+   if (rootParser->m_accounting.debugLevel < 1) {
+     return;
+   }
+-
++{
+   const float amplificationFactor
+       = accountingGetCurrentAmplification(rootParser);
+   fprintf(stderr,
+@@ -7453,6 +7463,7 @@ accountingReportStats(XML_Parser originParser, const char *epilog) {
+           rootParser->m_accounting.countBytesIndirect,
+           (double)amplificationFactor, epilog);
+ }
++}
+ 
+ static void
+ accountingOnAbort(XML_Parser originParser) {
+@@ -7471,6 +7482,7 @@ accountingReportDiff(XML_Parser rootParser,
+           bytesMore, (account == XML_ACCOUNT_DIRECT) ? "DIR" : "EXP",
+           levelsAwayFromRootParser, source_line, 10, "");
+ 
++{
+   const char ellipis[] = "[..]";
+   const size_t ellipsisLength = sizeof(ellipis) /* because compile-time */ - 1;
+   const unsigned int contextLength = 10;
+@@ -7495,6 +7507,7 @@ accountingReportDiff(XML_Parser rootParser,
+   }
+   fprintf(stderr, "\"\n");
+ }
++}
+ 
+ static XML_Bool
+ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
+@@ -7513,12 +7526,13 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
+ 
+   if (account == XML_ACCOUNT_NONE)
+     return XML_TRUE; /* because these bytes have been accounted for, already */
+-
++{
+   unsigned int levelsAwayFromRootParser;
+   const XML_Parser rootParser
+       = getRootParserOf(originParser, &levelsAwayFromRootParser);
+   assert(! rootParser->m_parentParser);
+ 
++{
+   const int isDirect
+       = (account == XML_ACCOUNT_DIRECT) && (originParser == rootParser);
+   const ptrdiff_t bytesMore = after - before;
+@@ -7531,7 +7545,7 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
+   if (*additionTarget > (XmlBigCount)(-1) - (XmlBigCount)bytesMore)
+     return XML_FALSE;
+   *additionTarget += bytesMore;
+-
++{
+   const XmlBigCount countBytesOutput
+       = rootParser->m_accounting.countBytesDirect
+         + rootParser->m_accounting.countBytesIndirect;
+@@ -7550,6 +7564,9 @@ accountingDiffTolerated(XML_Parser originParser, int tok, const char *before,
+ 
+   return tolerated;
+ }
++}
++}
++}
+ 
+ unsigned long long
+ testingAccountingGetCountBytesDirect(XML_Parser parser) {
+@@ -7572,6 +7589,7 @@ entityTrackingReportStats(XML_Parser rootParser, ENTITY *entity,
+   if (rootParser->m_entity_stats.debugLevel < 1)
+     return;
+ 
++{
+ #  if defined(XML_UNICODE)
+   const char *const entityName = "[..]";
+ #  else
+@@ -7588,6 +7606,7 @@ entityTrackingReportStats(XML_Parser rootParser, ENTITY *entity,
+       entity->is_param ? "%" : "&", entityName, action, entity->textLen,
+       sourceLine);
+ }
++}
+ 
+ static void
+ entityTrackingOnOpen(XML_Parser originParser, ENTITY *entity, int sourceLine) {
+@@ -8158,9 +8177,11 @@ getDebugLevel(const char *variableName, unsigned long defaultDebugLevel) {
+   if (valueOrNull == NULL) {
+     return defaultDebugLevel;
+   }
++{
+   const char *const value = valueOrNull;
+ 
+   errno = 0;
++{
+   char *afterValue = (char *)value;
+   unsigned long debugLevel = strtoul(value, &afterValue, 10);
+   if ((errno != 0) || (afterValue[0] != '\0')) {
+@@ -8170,3 +8191,5 @@ getDebugLevel(const char *variableName, unsigned long defaultDebugLevel) {
+ 
+   return debugLevel;
+ }
++}
++}
+diff --git a/xmlwf/xmlwf.c b/xmlwf/xmlwf.c
+index 29118bb..fae4801 100644
+--- a/xmlwf/xmlwf.c
++++ b/xmlwf/xmlwf.c
+@@ -1050,6 +1050,7 @@ tmain(int argc, XML_Char **argv) {
+       XMLWF_SHIFT_ARG_INTO(valueText, argc, argv, i, j);
+ 
+       errno = 0;
++{
+       XML_Char *afterValueText = (XML_Char *)valueText;
+       attackMaximumAmplification = tcstof(valueText, &afterValueText);
+       if ((errno != 0) || (afterValueText[0] != T('\0'))
+@@ -1066,12 +1067,14 @@ tmain(int argc, XML_Char **argv) {
+                            ", xmlwf has been compiled without DTD support.\n"));
+ #endif
+       break;
++}
+     }
+     case T('b'): {
+       const XML_Char *valueText = NULL;
+       XMLWF_SHIFT_ARG_INTO(valueText, argc, argv, i, j);
+ 
+       errno = 0;
++{
+       XML_Char *afterValueText = (XML_Char *)valueText;
+       attackThresholdBytes = tcstoull(valueText, &afterValueText, 10);
+       if ((errno != 0) || (afterValueText[0] != T('\0'))) {
+@@ -1088,6 +1091,7 @@ tmain(int argc, XML_Char **argv) {
+ #endif
+       break;
+     }
++    }
+     case T('\0'):
+       if (j > 1) {
+         i++;
+-- 
+2.30.2
+