[PATCH 2/8] jq: patch CVE-2026-41256

[Anton Skorup <antonsk@axis.com>]

From: Anton Skorup <anton@skorup.se>

CVE details: https://www.cve.org/CVERecord?id=CVE-2026-41256

Signed-off-by: Anton Skorup <anton.skorup@axis.com>
---
 .../jq/jq/CVE-2026-41256.patch                | 49 +++++++++++++++++++
 meta-oe/recipes-devtools/jq/jq_1.8.1.bb       |  1 +
 2 files changed, 50 insertions(+)
 create mode 100644 meta-oe/recipes-devtools/jq/jq/CVE-2026-41256.patch

diff --git a/meta-oe/recipes-devtools/jq/jq/CVE-2026-41256.patch b/meta-oe/recipes-devtools/jq/jq/CVE-2026-41256.patch
new file mode 100644
index 0000000000..738a359e6a
--- /dev/null
+++ b/meta-oe/recipes-devtools/jq/jq/CVE-2026-41256.patch
@@ -0,0 +1,49 @@
+From 5a015deae35d19e3ebbc65db6c157a80e76df738 Mon Sep 17 00:00:00 2001
+From: itchyny <itchyny@cybozu.co.jp>
+Date: Fri, 24 Apr 2026 22:15:08 +0900
+Subject: [PATCH] Fix NUL truncation in program files loaded with -f
+
+This fixes CVE-2026-41256.
+
+Signed-off-by: Anton Skorup <anton.skorup@axis.com>
+Upstream-Status: Backport [https://github.com/jqlang/jq/commit/5a015deae35d19e3ebbc65db6c157a80e76df738]
+---
+ src/main.c   | 8 ++++++++
+ tests/shtest | 7 +++++++
+ 2 files changed, 15 insertions(+)
+
+diff --git a/src/main.c b/src/main.c
+index ce362607e2..fb5c7ab8e3 100644
+--- a/src/main.c
++++ b/src/main.c
+@@ -612,6 +612,14 @@ int main(int argc, char* argv[]) {
+       ret = JQ_ERROR_SYSTEM;
+       goto out;
+     }
++    int len = jv_string_length_bytes(jv_copy(data));
++    if ((size_t)len != strlen(jv_string_value(data))) {
++      fprintf(stderr, "jq: program file contains NUL bytes\n");
++      free(program_origin);
++      jv_free(data);
++      ret = JQ_ERROR_SYSTEM;
++      goto out;
++    }
+     jq_set_attr(jq, jv_string("PROGRAM_ORIGIN"), jq_realpath(jv_string(dirname(program_origin))));
+     ARGS = JV_OBJECT(jv_string("positional"), ARGS,
+                      jv_string("named"), jv_copy(program_arguments));
+diff --git a/tests/shtest b/tests/shtest
+index 370f7b7c69..68705df255 100755
+--- a/tests/shtest
++++ b/tests/shtest
+@@ -886,4 +886,11 @@ if printf '{}\x00{}' | $JQ >/dev/null 2> /dev/null; then
+   exit 1
+ fi
+ 
++# CVE-2026-41256: No NUL truncation in program files loaded with -f
++printf '.\x00invalid' > "$d/nul_prog.jq"
++if echo '42' | $JQ -f "$d/nul_prog.jq" >/dev/null 2>/dev/null; then
++  printf 'Error expected for program file with NUL bytes\n' 1>&2
++  exit 1
++fi
++
+ exit 0
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 0419ccd46d..34616e0af6 100644
--- a/meta-oe/recipes-devtools/jq/jq_1.8.1.bb
+++ b/meta-oe/recipes-devtools/jq/jq_1.8.1.bb
@@ -17,6 +17,7 @@ SRC_URI = "git://github.com/jqlang/jq.git;protocol=https;branch=master;tag=jq-${
            file://CVE-2026-33947.patch \
            file://CVE-2026-33948.patch \
            file://CVE-2026-39979.patch \
+           file://CVE-2026-41256.patch \
            file://CVE-2026-49389.patch \
            "
 
-- 
2.43.0