poppler/backport-CVE-2025-32365.patch
2025-05-18 17:07:04 +00:00

38 lines
1.3 KiB
Diff

From 1f151565bbca5be7449ba8eea6833051cc1baa41 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Mon, 31 Mar 2025 14:35:49 +0200
Subject: [PATCH] Move isOk check to inside JBIG2Bitmap::combine
---
poppler/JBIG2Stream.cc | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
index cf9e0c984..4e81d4a8c 100644
--- a/poppler/JBIG2Stream.cc
+++ b/poppler/JBIG2Stream.cc
@@ -768,6 +768,9 @@ void JBIG2Bitmap::combine(JBIG2Bitmap *bitmap, int x, int y, unsigned int combOp
unsigned int src0, src1, src, dest, s1, s2, m1, m2, m3;
bool oneByte;
+ if (unlikely(!isOk())) {
+ return;
+ }
// check for the pathological case where y = -2^31
if (y < -0x7fffffff) {
return;
@@ -2198,9 +2201,7 @@ void JBIG2Stream::readTextRegionSeg(unsigned int segNum, bool imm, bool lossless
if (pageH == 0xffffffff && y + h > curPageH) {
pageBitmap->expand(y + h, pageDefPixel);
}
- if (pageBitmap->isOk()) {
- pageBitmap->combine(bitmap.get(), x, y, extCombOp);
- }
+ pageBitmap->combine(bitmap.get(), x, y, extCombOp);
// store the region bitmap
} else {
--
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