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[meta-networking,wrynose,11/32] unbound: patch CVE-2026-44390

Message ID 20260910230932.173913-11-ankur.tyagi85@gmail.com
State Under Review
Delegated to: Anuj Mittal
Headers show
Series [meta-oe,wrynose,1/32] zabbix: ignore multiple CVEs | expand

Commit Message

Ankur Tyagi Sept. 10, 2026, 11:09 p.m. UTC 
From: Ankur Tyagi <ankur.tyagi85@gmail.com>

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-44390

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
---
 .../unbound/unbound/CVE-2026-44390.patch      | 37 +++++++++++++++++++
 .../recipes-support/unbound/unbound_1.24.2.bb |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 meta-networking/recipes-support/unbound/unbound/CVE-2026-44390.patch
diff mbox series

Patch

diff --git a/meta-networking/recipes-support/unbound/unbound/CVE-2026-44390.patch b/meta-networking/recipes-support/unbound/unbound/CVE-2026-44390.patch
new file mode 100644
index 0000000000..6c13e90bf0
--- /dev/null
+++ b/meta-networking/recipes-support/unbound/unbound/CVE-2026-44390.patch
@@ -0,0 +1,37 @@ 
+From 166c308b1beba4ecf586d51d63513478d75019a1 Mon Sep 17 00:00:00 2001
+From: "W.C.A. Wijngaards" <wouter@nlnetlabs.nl>
+Date: Wed, 20 May 2026 10:21:26 +0200
+Subject: [PATCH] - Fix CVE-2026-44390, Unbounded name compression in certain
+ cases   causes degradation of service. Thanks to Qifan Zhang, Palo Alto  
+ Networks, for the report.
+
+(cherry picked from commit dae7a3797424607906b132c008fc12dba867b5f3)
+
+CVE: CVE-2026-44390
+Upstream-Status: Backport [https://github.com/NLnetLabs/unbound/commit/dae7a3797424607906b132c008fc12dba867b5f3]
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ util/data/msgencode.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/util/data/msgencode.c b/util/data/msgencode.c
+index 7bc55a54e..f84c491b1 100644
+--- a/util/data/msgencode.c
++++ b/util/data/msgencode.c
+@@ -352,7 +352,6 @@ compress_any_dname(uint8_t* dname, sldns_buffer* pkt, int labs,
+ 		(p = compress_tree_lookup(tree, dname, labs, &insertpt))) {
+ 		if(!write_compressed_dname(pkt, dname, labs, p))
+ 			return RETVAL_TRUNC;
+-		(*compress_count)++;
+ 	} else {
+ 		if(!dname_buffer_write(pkt, dname))
+ 			return RETVAL_TRUNC;
+@@ -360,6 +359,7 @@ compress_any_dname(uint8_t* dname, sldns_buffer* pkt, int labs,
+ 	if(*compress_count < MAX_COMPRESSION_PER_MESSAGE &&
+ 		!compress_tree_store(dname, labs, pos, region, p, insertpt))
+ 		return RETVAL_OUTMEM;
++	(*compress_count)++;
+ 	return RETVAL_OK;
+ }
+ 
diff --git a/meta-networking/recipes-support/unbound/unbound_1.24.2.bb b/meta-networking/recipes-support/unbound/unbound_1.24.2.bb
index a6f9b14cab..9de6a3c88c 100644
--- a/meta-networking/recipes-support/unbound/unbound_1.24.2.bb
+++ b/meta-networking/recipes-support/unbound/unbound_1.24.2.bb
@@ -21,6 +21,7 @@  SRC_URI = "git://github.com/NLnetLabs/unbound.git;protocol=https;branch=master;t
            file://CVE-2026-42534.patch \
            file://CVE-2026-42923.patch \
            file://CVE-2026-42960.patch \
+           file://CVE-2026-44390.patch \
            "
 
 SRCREV = "f6269baa605d31859f28770e01a24e3677e5f82c"