diff --git a/data/txt/sha256sums.txt b/data/txt/sha256sums.txt
index d240e0725..eeb8974ae 100644
--- a/data/txt/sha256sums.txt
+++ b/data/txt/sha256sums.txt
@@ -166,7 +166,7 @@ eed1db5da17eca4c65a8f999166e2246eef84397687ae820bbe4984ef65a09df  extra/vulnserv
 4608f21a4333c162ab3c266c903fda4793cc5834de30d06affe9b7566dd09811  lib/controller/__init__.py
 ac44a343947162532dbf17bd1f9ab424f8008f677367c5ad3f9f7b715a679818  lib/core/agent.py
 fbba89420acafcdb9ba1a95428cf2161b13cfa2d1a7ad7d5e70c14b0e04861f0  lib/core/bigarray.py
-567c53222bc59f2aaba97ce9ba7613848ff0609007cc5dfc57051da34d76e41b  lib/core/common.py
+f6062e324fdeaacf9df0a289fc3f12f755143e3876a70cb65b38aa2e690f73c1  lib/core/common.py
 11c748cc96ea2bc507bc6c1930a17fe4bc6fdd2dd2a80430df971cb21428eb00  lib/core/compat.py
 39ea62d4224be860befeffb3843c150f2343b64555ad8c438a400222056f6cc0  lib/core/convert.py
 ae500647c4074681749735a4f3b17b7eca44868dd3f39f9cab0a575888ba04a1  lib/core/data.py
@@ -181,14 +181,14 @@ bb7e6521edad1cbfffa89fd7d5e255ed4ff148d984ffadbeac8d42baa2d76dea  lib/core/dicts
 4608f21a4333c162ab3c266c903fda4793cc5834de30d06affe9b7566dd09811  lib/core/__init__.py
 3d308440fb01d04b5d363bfbe0f337756b098532e5bb7a1c91d5213157ec2c35  lib/core/log.py
 2a06dc9b5c17a1efdcdb903545729809399f1ee96f7352cc19b9aaa227394ff3  lib/core/optiondict.py
-c53862358795097a59aa4eacc4d90815afb7e0540899b8885b586e43267be225  lib/core/option.py
+114396f3b11372afc47451b4fbfd79e567ebdcaa926a3cff9ac12cab4db02d8b  lib/core/option.py
 fd449fe2c707ce06c929fc164cbabb3342f3e4e2b86c06f3efc1fc09ac98a25a  lib/core/patch.py
 85f10c6195a3a675892d914328173a6fb6a8393120417a2f10071c6e77bfa47d  lib/core/profiling.py
 c4bfb493a03caf84dd362aec7c248097841de804b7413d0e1ecb8a90c8550bc0  lib/core/readlineng.py
 d1bd70c1a55858495c727fbec91e30af267459c8f64d50fabf9e4ee2c007e920  lib/core/replication.py
 1d0f80b0193ac5204527bfab4bde1a7aee0f693fd008e86b4b29f606d1ef94f3  lib/core/revision.py
 d2eb8e4b05ac93551272b3d4abfaf5b9f2d3ac92499a7704c16ed0b4f200db38  lib/core/session.py
-3ca51b79a5f622a0845f344afd11d6abf6ddc78370058c78fcb26fcc17806387  lib/core/settings.py
+be3e2b9a16441137d97d366f09dfb14a39d89a258945d70413456fd42e85ca22  lib/core/settings.py
 1c5eab9494eb969bc9ce118a2ea6954690c6851cbe54c18373c723b99734bf09  lib/core/shell.py
 4eea6dcf023e41e3c64b210cb5c2efc7ca893b727f5e49d9c924f076bb224053  lib/core/subprocessng.py
 cdd352e1331c6b535e780f6edea79465cb55af53aa2114dcea0e8bf382e56d1a  lib/core/target.py
diff --git a/lib/core/common.py b/lib/core/common.py
index 41c2b7c2d..42f4627d0 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -4542,7 +4542,7 @@ def randomizeParameterValue(value):
             if original != candidate:
                 break
 
-        retVal = retVal.replace(original, candidate)
+        retVal = retVal.replace(original, candidate, 1)
 
     if re.match(r"\A[^@]+@.+\.[a-z]+\Z", value):
         parts = retVal.split('.')
@@ -5159,8 +5159,8 @@ def prioritySortColumns(columns):
     Sorts given column names by length in ascending order while those containing
     string 'id' go first
 
-    >>> prioritySortColumns(['password', 'userid', 'name'])
-    ['userid', 'name', 'password']
+    >>> prioritySortColumns(['password', 'userid', 'name', 'id'])
+    ['id', 'userid', 'name', 'password']
     """
 
     def _(column):
diff --git a/lib/core/option.py b/lib/core/option.py
index 42a626971..22a656b4d 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -69,6 +69,7 @@ from lib.core.data import mergedOptions
 from lib.core.data import queries
 from lib.core.datatype import AttribDict
 from lib.core.datatype import InjectionDict
+from lib.core.datatype import LRUDict
 from lib.core.datatype import OrderedSet
 from lib.core.defaults import defaults
 from lib.core.dicts import DBMS_DICT
@@ -2035,7 +2036,7 @@ def _setKnowledgeBaseAttributes(flushAll=True):
 
     kb.cache = AttribDict()
     kb.cache.addrinfo = {}
-    kb.cache.content = {}
+    kb.cache.content = LRUDict(capacity=16)
     kb.cache.comparison = {}
     kb.cache.encoding = {}
     kb.cache.alphaBoundaries = None
diff --git a/lib/core/settings.py b/lib/core/settings.py
index a98847ae5..bca3f6a63 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.9.12.28"
+VERSION = "1.9.12.29"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)