poppler: patch CVE-2026-102621

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-102621

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>

meta-oe/recipes-support/poppler/poppler/CVE-2026-102621.patch

@@ -0,0 +1,40 @@
+From eaeeb2fe58aad490bc82aa33d75217dead0dd0de Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Sat, 8 Aug 2026 15:02:27 +0200
+Subject: [PATCH] Fix integer overflow in SplashClip::clipToPath
+
+Issue #1763
+
+(cherry picked from commit 323c91036d99926a8b90dc14329f7b40aece22f8)
+
+CVE: CVE-2026-102621
+Upstream-Status: Backport [https://gitlab.freedesktop.org/poppler/poppler/-/commit/323c91036d99926a8b90dc14329f7b40aece22f8]
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ splash/SplashClip.cc | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/splash/SplashClip.cc b/splash/SplashClip.cc
+index 78249652c..b096beebd 100644
+--- a/splash/SplashClip.cc
++++ b/splash/SplashClip.cc
+@@ -23,6 +23,8 @@
+ #include <config.h>
+ 
+ #include <algorithm>
++#include "goo/GooCheckedOps.h"
++#include "goo/GooLikely.h"
+ #include "SplashErrorCodes.h"
+ #include "SplashMath.h"
+ #include "SplashPath.h"
+@@ -211,7 +213,9 @@ SplashError SplashClip::clipToPath(const SplashPath &path, const std::array<doub
+     } else {
+         if (antialias) {
+             xPath.aaScale();
+-            yMinAA = yMinI * splashAASize;
++            if (unlikely(checkedMultiply(yMinI, splashAASize, &yMinAA))) {
++                return SplashError::Generic;
++            }
+             yMaxAA = (yMaxI + 1) * splashAASize - 1;
+         } else {
+             yMinAA = yMinI;

meta-oe/recipes-support/poppler/poppler_26.08.0.bb

@@ -8,6 +8,7 @@ SRC_URI = "http://poppler.freedesktop.org/${BP}.tar.xz \
            file://basename-include.patch \
            file://0001-cmake-Do-not-use-isystem.patch \
            file://0001-workaround-build-racing.patch \
+           file://CVE-2026-102621.patch \
            "
 SRC_URI[sha256sum] = "dc906e68cea698109706ac6aa3d2c9d4512fcfcac42d90b8afcda486d1b9abd0"