diff --git a/manifest b/manifest
index 83633961ec..e575ca5555 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Use\s__ppc__\sinstead\sof\s__POWERPC__\sto\sidentify\s32-bit\sPowerPC\sprocessors.\n[forum:/forumpost/34794846ce|Forum\spost\s34794846ce].
-D 2024-01-28T20:42:12.641
+C When\srendering\sJSONB\sback\sinto\stext\sJSON,\sreport\san\serror\sif\sa\szero-length\ninteger\sor\sfloating-point\snode\sis\sencountered.\s\sOtherwise,\sif\sthe\snode\soccurs\nat\sthe\svery\send\sof\sthe\sJSONB,\sthe\srendering\slogic\smight\sread\sone\sbyte\spast\nthe\send\sof\sthe\sinitialized\spart\sof\sthe\sBLOB\sbyte\sarray.\s\sOSSFuzz\s66284.
+D 2024-01-29T12:50:32.533
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -698,7 +698,7 @@ F src/hash.h 3340ab6e1d13e725571d7cee6d3e3135f0779a7d8e76a9ce0a85971fa3953c51
 F src/hwtime.h f9c2dfb84dce7acf95ce6d289e46f5f9d3d1afd328e53da8f8e9008e3b3caae6
 F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
 F src/insert.c 3f0a94082d978bbdd33c38fefea15346c6c6bffb70bc645a71dc0f1f87dd3276
-F src/json.c b2189995bb2f5eeac20a0282983cc82198fc77f9429708468ba360bbacb6fa80
+F src/json.c bf20b47d110aa0ea316e0ab77ccb407bd9c73eac2604e8d238823ceedd270d5b
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 7432c944ff197046d67a1207790a1b13eec4548c85a9457eb0896bb3641dfb36
 F src/main.c 438b95162acfa17b7d218f586f5bde11d6ae82bcf030c9611fc537556870ad6b
@@ -2161,8 +2161,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P d4c193f0b49f4950b20c2f0e6aa037d2ed7d8c0b4687c14923b3a0d0d4a1b3fd
-R 46f9da2da907badd19298ace66a20031
+P c974d9313b60591bcd554c3ec652a8040d382930e30778e6be8a875145b0b3da
+R 0207b7627e17db2286de3e2f665c21a5
 U drh
-Z c2041b302fcfe4f462cbcda587ab473e
+Z b94072d2a610a36c15c6ae7e7c61c766
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index f8126df887..d6e164585f 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-c974d9313b60591bcd554c3ec652a8040d382930e30778e6be8a875145b0b3da
\ No newline at end of file
+b0eb279ea83c1c788c39fb90e178ec99fa4c782195c376a420c661fedf4545a7
\ No newline at end of file
diff --git a/src/json.c b/src/json.c
index c7412d3c78..d69d967934 100644
--- a/src/json.c
+++ b/src/json.c
@@ -2124,6 +2124,7 @@ static u32 jsonTranslateBlobToText(
     }
     case JSONB_INT:
     case JSONB_FLOAT: {
+      if( sz==0 ) goto malformed_jsonb;
       jsonAppendRaw(pOut, (const char*)&pParse->aBlob[i+n], sz);
       break;
     }
@@ -2132,6 +2133,7 @@ static u32 jsonTranslateBlobToText(
       sqlite3_uint64 u = 0;
       const char *zIn = (const char*)&pParse->aBlob[i+n];
       int bOverflow = 0;
+      if( sz==0 ) goto malformed_jsonb;
       if( zIn[0]=='-' ){
         jsonAppendChar(pOut, '-');
         k++;
@@ -2154,6 +2156,7 @@ static u32 jsonTranslateBlobToText(
     case JSONB_FLOAT5: { /* Float literal missing digits beside "." */
       u32 k = 0;
       const char *zIn = (const char*)&pParse->aBlob[i+n];
+      if( sz==0 ) goto malformed_jsonb;
       if( zIn[0]=='-' ){
         jsonAppendChar(pOut, '-');
         k++;
@@ -2291,6 +2294,7 @@ static u32 jsonTranslateBlobToText(
     }
 
     default: {
+      malformed_jsonb:
       pOut->eErr |= JSTRING_MALFORMED;
       break;
     }