diff --git a/CHANGELOG.md b/CHANGELOG.md
index 254d6a926a..c73ea856e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@ release.
 ### Fixed
 - Updated README.md to remove remaining references to downloading data from discontinued rsync server [#5152](https://github.com/DOI-USGS/ISIS3/issues/5152)
 - Fixed users not being able to modify planetographic projections in qmos
+- Modified spice::readValue to add check for numValuesRead to stop reading garbase values [#4928](https://github.com/USGS-Astrogeology/ISIS3/issues/4928)
 
 ## [7.2.0] - 2022-12-07
 
diff --git a/isis/src/base/objs/Spice/Spice.cpp b/isis/src/base/objs/Spice/Spice.cpp
index 65b171f6de..bc837a8a27 100644
--- a/isis/src/base/objs/Spice/Spice.cpp
+++ b/isis/src/base/objs/Spice/Spice.cpp
@@ -1118,7 +1118,7 @@ namespace Isis {
         gdpool_c(key.toLatin1().data(), (SpiceInt)index, 1,
                  &numValuesRead, &kernelValue, &found);
 
-        if (found)
+        if (found && numValuesRead > 0)
           result = kernelValue;
       }
       else if (type == SpiceStringType) {
@@ -1126,7 +1126,7 @@ namespace Isis {
         gcpool_c(key.toLatin1().data(), (SpiceInt)index, 1, sizeof(kernelValue),
                  &numValuesRead, kernelValue, &found);
 
-        if (found)
+        if (found && numValuesRead > 0)
           result = kernelValue;
       }
       else if (type == SpiceIntType) {
@@ -1134,7 +1134,7 @@ namespace Isis {
         gipool_c(key.toLatin1().data(), (SpiceInt)index, 1, &numValuesRead,
                  &kernelValue, &found);
 
-        if (found)
+        if (found && numValuesRead > 0)
           result = (int)kernelValue;
       }
 
@@ -1142,6 +1142,10 @@ namespace Isis {
         QString msg = "Can not find [" + key + "] in text kernels";
         throw IException(IException::Io, msg, _FILEINFO_);
       }
+      else if (numValuesRead == 0){
+        QString msg = "Found " + key + "] in text kernels, but no values were identified and read.";
+        throw IException(IException::Io, msg, _FILEINFO_);
+      }
 
       storeValue(key, index, type, result);
       NaifStatus::CheckErrors();