sqlite3: fix CVE-2025-6965

There exists a vulnerability in SQLite versions before 3.50.2 where the
number of aggregate terms could exceed the number of columns available.
This could lead to a memory corruption issue.

(From OE-Core rev: 52499a5ea3b4ba145914aca873844ab718953289)

Signed-off-by: Roland Kovacs <roland.kovacs@est.tech>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-support/sqlite/sqlite3/CVE-2025-6965.patch

@@ -0,0 +1,112 @@
+From a91c0d55011d06858726d4783fd16ed8ec71e793 Mon Sep 17 00:00:00 2001
+From: drh <>
+Date: Fri, 27 Jun 2025 19:02:21 +0000
+Subject: [PATCH] Raise an error right away if the number of aggregate terms in
+ a query exceeds the maximum number of columns.
+
+FossilOrigin-Name: 5508b56fd24016c13981ec280ecdd833007c9d8dd595edb295b984c2b487b5c8
+
+CVE: CVE-2025-6965
+Upstream-Status: Backport [https://github.com/sqlite/sqlite/commit/c52e9d97d485a3eb168e3f8f3674a7bc4b419703]
+Signed-off-by: Roland Kovacs <roland.kovacs@est.tech>
+---
+ sqlite3.c | 30 ++++++++++++++++++++++++++----
+ 1 file changed, 26 insertions(+), 4 deletions(-)
+
+diff --git a/sqlite3.c b/sqlite3.c
+index 1ee8de4a85..5c7c126076 100644
+--- a/sqlite3.c
++++ b/sqlite3.c
+@@ -15000,6 +15000,14 @@ typedef INT16_TYPE LogEst;
+ #define LARGEST_UINT64 (0xffffffff|(((u64)0xffffffff)<<32))
+ #define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64)
+ 
++/*
++** Macro SMXV(n) return the maximum value that can be held in variable n,
++** assuming n is a signed integer type.  UMXV(n) is similar for unsigned
++** integer types.
++*/
++#define SMXV(n) ((((i64)1)<<(sizeof(n)*8-1))-1)
++#define UMXV(n) ((((i64)1)<<(sizeof(n)*8))-1)
++
+ /*
+ ** Round up a number to the next larger multiple of 8.  This is used
+ ** to force 8-byte alignment on 64-bit architectures.
+@@ -18785,7 +18793,7 @@ struct AggInfo {
+                           ** from source tables rather than from accumulators */
+   u8 useSortingIdx;       /* In direct mode, reference the sorting index rather
+                           ** than the source table */
+-  u16 nSortingColumn;     /* Number of columns in the sorting index */
++  u32 nSortingColumn;     /* Number of columns in the sorting index */
+   int sortingIdx;         /* Cursor number of the sorting index */
+   int sortingIdxPTab;     /* Cursor number of pseudo-table */
+   int iFirstReg;          /* First register in range for aCol[] and aFunc[] */
+@@ -18794,8 +18802,8 @@ struct AggInfo {
+     Table *pTab;             /* Source table */
+     Expr *pCExpr;            /* The original expression */
+     int iTable;              /* Cursor number of the source table */
+-    i16 iColumn;             /* Column number within the source table */
+-    i16 iSorterColumn;       /* Column number in the sorting index */
++    int iColumn;             /* Column number within the source table */
++    int iSorterColumn;       /* Column number in the sorting index */
+   } *aCol;
+   int nColumn;            /* Number of used entries in aCol[] */
+   int nAccumulator;       /* Number of columns that show through to the output.
+@@ -115162,7 +115170,9 @@ static void findOrCreateAggInfoColumn(
+ ){
+   struct AggInfo_col *pCol;
+   int k;
++  int mxTerm = pParse->db->aLimit[SQLITE_LIMIT_COLUMN];
+ 
++  assert( mxTerm <= SMXV(i16) );
+   assert( pAggInfo->iFirstReg==0 );
+   pCol = pAggInfo->aCol;
+   for(k=0; k<pAggInfo->nColumn; k++, pCol++){
+@@ -115180,6 +115190,10 @@ static void findOrCreateAggInfoColumn(
+     assert( pParse->db->mallocFailed );
+     return;
+   }
++  if( k>mxTerm ){
++    sqlite3ErrorMsg(pParse, "more than %d aggregate terms", mxTerm);
++    k = mxTerm;
++  }
+   pCol = &pAggInfo->aCol[k];
+   assert( ExprUseYTab(pExpr) );
+   pCol->pTab = pExpr->y.pTab;
+@@ -115213,6 +115227,7 @@ fix_up_expr:
+   if( pExpr->op==TK_COLUMN ){
+     pExpr->op = TK_AGG_COLUMN;
+   }
++  assert( k <= SMXV(pExpr->iAgg) );
+   pExpr->iAgg = (i16)k;
+ }
+ 
+@@ -115297,13 +115312,19 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
+         ** function that is already in the pAggInfo structure
+         */
+         struct AggInfo_func *pItem = pAggInfo->aFunc;
++        int mxTerm = pParse->db->aLimit[SQLITE_LIMIT_COLUMN];
++        assert( mxTerm <= SMXV(i16) );
+         for(i=0; i<pAggInfo->nFunc; i++, pItem++){
+           if( NEVER(pItem->pFExpr==pExpr) ) break;
+           if( sqlite3ExprCompare(0, pItem->pFExpr, pExpr, -1)==0 ){
+             break;
+           }
+         }
+-        if( i>=pAggInfo->nFunc ){
++        if( i>mxTerm ){
++          sqlite3ErrorMsg(pParse, "more than %d aggregate terms", mxTerm);
++          i = mxTerm;
++          assert( i<pAggInfo->nFunc );
++        }else if( i>=pAggInfo->nFunc ){
+           /* pExpr is original.  Make a new entry in pAggInfo->aFunc[]
+           */
+           u8 enc = ENC(pParse->db);
+@@ -115357,6 +115378,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
+         */
+         assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) );
+         ExprSetVVAProperty(pExpr, EP_NoReduce);
++        assert( i <= SMXV(pExpr->iAgg) );
+         pExpr->iAgg = (i16)i;
+         pExpr->pAggInfo = pAggInfo;
+         return WRC_Prune;

meta/recipes-support/sqlite/sqlite3_3.45.3.bb

@@ -6,6 +6,7 @@ LIC_FILES_CHKSUM = "file://sqlite3.h;endline=11;md5=786d3dc581eff03f4fd9e4a77ed0
 SRC_URI = "http://www.sqlite.org/2024/sqlite-autoconf-${SQLITE_PV}.tar.gz \
            file://CVE-2025-3277.patch \
            file://CVE-2025-29088.patch \
+           file://CVE-2025-6965.patch \
           "
 SRC_URI[sha256sum] = "b2809ca53124c19c60f42bf627736eae011afdcc205bb48270a5ee9a38191531"