[PATCH 5/8] jq: patch CVE-2026-41257

[Anton Skorup <antonsk@axis.com>]

From: Anton Skorup <anton@skorup.se>

CVE details: https://www.cve.org/CVERecord?id=CVE-2026-41257

Signed-off-by: Anton Skorup <anton.skorup@axis.com>
---
 .../jq/jq/CVE-2026-41257.patch                | 52 +++++++++++++++++++
 meta-oe/recipes-devtools/jq/jq_1.8.1.bb       |  1 +
 2 files changed, 53 insertions(+)
 create mode 100644 meta-oe/recipes-devtools/jq/jq/CVE-2026-41257.patch

diff --git a/meta-oe/recipes-devtools/jq/jq/CVE-2026-41257.patch b/meta-oe/recipes-devtools/jq/jq/CVE-2026-41257.patch
new file mode 100644
index 0000000000..8bf3ecd325
--- /dev/null
+++ b/meta-oe/recipes-devtools/jq/jq/CVE-2026-41257.patch
@@ -0,0 +1,52 @@
+From 01b3cded76daacbfddb7f8763700b0803bcb5c6f Mon Sep 17 00:00:00 2001
+From: itchyny <itchyny@cybozu.co.jp>
+Date: Fri, 24 Apr 2026 22:09:44 +0900
+Subject: [PATCH] Fix signed-int overflow in `stack_reallocate`
+
+This fixes CVE-2026-41257.
+
+Signed-off-by: Anton Skorup <anton.skorup@axis.com>
+Upstream-Status: Backport [https://github.com/jqlang/jq/commit/01b3cded76daacbfddb7f8763700b0803bcb5c6f]
+---
+ src/exec_stack.h | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/src/exec_stack.h b/src/exec_stack.h
+index 2a063e8cf9..159c56e4fb 100644
+--- a/src/exec_stack.h
++++ b/src/exec_stack.h
+@@ -2,8 +2,10 @@
+ #define EXEC_STACK_H
+ #include <stddef.h>
+ #include <stdint.h>
++#include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <limits.h>
+ #include "jv_alloc.h"
+ 
+ /*
+@@ -81,15 +83,19 @@ static stack_ptr* stack_block_next(struct stack* s, stack_ptr p) {
+ }
+ 
+ static void stack_reallocate(struct stack* s, size_t sz) {
+-  int old_mem_length = -(s->bound) + ALIGNMENT;
+-  char* old_mem_start = (s->mem_end != NULL) ? (s->mem_end - old_mem_length) : NULL;
++  size_t old_mem_length = (size_t)(-(s->bound)) + ALIGNMENT;
++  char* old_mem_start = s->mem_end != NULL ? s->mem_end - old_mem_length : NULL;
+ 
+-  int new_mem_length = align_round_up((old_mem_length + sz + 256) * 2);
++  size_t new_mem_length = align_round_up((old_mem_length + sz + 256) * 2);
++  if (new_mem_length > INT_MAX) {
++    fprintf(stderr, "jq: error: cannot allocate memory\n");
++    abort();
++  }
+   char* new_mem_start = jv_mem_realloc(old_mem_start, new_mem_length);
+   memmove(new_mem_start + (new_mem_length - old_mem_length),
+             new_mem_start, old_mem_length);
+   s->mem_end = new_mem_start + new_mem_length;
+-  s->bound = -(new_mem_length - ALIGNMENT);
++  s->bound = -(int)(new_mem_length - ALIGNMENT);
+ }
+ 
+ static stack_ptr stack_push_block(struct stack* s, stack_ptr p, size_t sz) {
diff --git a/meta-oe/recipes-devtools/jq/jq_1.8.1.bb b/meta-oe/recipes-devtools/jq/jq_1.8.1.bb
index 082a827041..bb4601b667 100644
--- a/meta-oe/recipes-devtools/jq/jq_1.8.1.bb
+++ b/meta-oe/recipes-devtools/jq/jq_1.8.1.bb
@@ -18,6 +18,7 @@ SRC_URI = "git://github.com/jqlang/jq.git;protocol=https;branch=master;tag=jq-${
            file://CVE-2026-33948.patch \
            file://CVE-2026-39979.patch \
            file://CVE-2026-41256.patch \
+           file://CVE-2026-41257.patch \
            file://CVE-2026-43896.patch \
            file://CVE-2026-44777.patch \
            file://CVE-2026-49389.patch \
-- 
2.43.0