From: Hetvi Thakar <[email protected]>

This patch applies the upstream fix as referenced in [2],
using the commit shown in [1].

[1] 
https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55
[2] https://nvd.nist.gov/vuln/detail/CVE-2026-86141

Signed-off-by: Hetvi Thakar <[email protected]>
---
 .../libxml/libxml2/CVE-2026-86141.patch       | 35 +++++++++++++++++++
 meta/recipes-core/libxml/libxml2_2.12.10.bb   |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2026-86141.patch

diff --git a/meta/recipes-core/libxml/libxml2/CVE-2026-86141.patch 
b/meta/recipes-core/libxml/libxml2/CVE-2026-86141.patch
new file mode 100644
index 0000000000..416a50eda5
--- /dev/null
+++ b/meta/recipes-core/libxml/libxml2/CVE-2026-86141.patch
@@ -0,0 +1,35 @@
+From adb9287ae35770d9b281ed8f2160774198fbaf25 Mon Sep 17 00:00:00 2001
+From: Daniel Garcia Moreno <[email protected]>
+Date: Mon, 4 May 2026 07:56:18 +0200
+Subject: [PATCH] xmlregexp: Calc string length after null checking
+
+Fix https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107
+
+CVE: CVE-2026-86141
+Upstream-Status: Backport 
[https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55]
+
+(cherry picked from commit e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55)
+Signed-off-by: Hetvi Thakar <[email protected]>
+---
+ xmlregexp.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/xmlregexp.c b/xmlregexp.c
+index 320a35ce..72e8e459 100644
+--- a/xmlregexp.c
++++ b/xmlregexp.c
+@@ -702,12 +702,12 @@ xmlRegNewParserCtxt(const xmlChar *string) {
+       return(NULL);
+     memset(ret, 0, sizeof(xmlRegParserCtxt));
+     if (string != NULL) {
+-      ret->string = xmlStrdup(string);
+-      ret->len = strlen((const char *) ret->string);
++        ret->string = xmlStrdup(string);
+         if (ret->string == NULL) {
+             xmlFree(ret);
+             return(NULL);
+         }
++        ret->len = strlen((const char *) ret->string);
+     }
+     ret->cur = ret->string;
+     ret->neg = 0;
diff --git a/meta/recipes-core/libxml/libxml2_2.12.10.bb 
b/meta/recipes-core/libxml/libxml2_2.12.10.bb
index 9648228c43..49a1a8dbaa 100644
--- a/meta/recipes-core/libxml/libxml2_2.12.10.bb
+++ b/meta/recipes-core/libxml/libxml2_2.12.10.bb
@@ -35,6 +35,7 @@ SRC_URI += 
"http://www.w3.org/XML/Test/xmlts20130923.tar;subdir=${BP};name=testt
            file://CVE-2026-86137.patch \
            file://CVE-2026-86138.patch \
            file://CVE-2026-86140.patch \
+           file://CVE-2026-86141.patch \
            "
 
 SRC_URI[archive.sha256sum] = 
"c3d8c0c34aa39098f66576fe51969db12a5100b956233dc56506f7a8679be995"
-- 
2.35.6

-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#246812): 
https://lists.openembedded.org/g/openembedded-core/message/246812
Mute This Topic: https://lists.openembedded.org/mt/121485376/21656
Group Owner: [email protected]
Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub 
[[email protected]]
-=-=-=-=-=-=-=-=-=-=-=-

  • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
      • ... Yoann Congal via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
      • ... Yoann Congal via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
      • ... Yoann Congal via lists.openembedded.org
    • ... Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco) via lists.openembedded.org
      • ... Yoann Congal via lists.openembedded.org
    • ... Yoann Congal via lists.openembedded.org

Reply via email to