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import poppler-20.11.0-6.el8

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CentOS Sources 2023-05-16 06:08:14 +00:00 committed by Stepan Oksanichenko
parent 1042e88d22
commit 7e2a60060d
2 changed files with 35 additions and 1 deletions
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26
SOURCES/poppler-20.11.0-jbig-symbol-overflow.patch Normal file
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@ -0,0 +1,26 @@
From 27354e9d9696ee2bc063910a6c9a6b27c5184a52 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Thu, 25 Aug 2022 00:14:22 +0200
Subject: JBIG2Stream: Fix crash on broken file
https://github.com/jeffssh/CVE-2021-30860
Thanks to David Warren for the heads up
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
index 662276e5..9f70431d 100644
--- a/poppler/JBIG2Stream.cc
+++ b/poppler/JBIG2Stream.cc
@@ -1976,7 +1976,11 @@ void JBIG2Stream::readTextRegionSeg(unsigned int segNum, bool imm, bool lossless
for (i = 0; i < nRefSegs; ++i) {
if ((seg = findSegment(refSegs[i]))) {
if (seg->getType() == jbig2SegSymbolDict) {
- numSyms += ((JBIG2SymbolDict *)seg)->getSize();
+ const unsigned int segSize = ((JBIG2SymbolDict *)seg)->getSize();
+ if (unlikely(checkedAdd(numSyms, segSize, &numSyms))) {
+ error(errSyntaxError, getPos(), "Too many symbols in JBIG2 text region");
+ return;
+ }
} else if (seg->getType() == jbig2SegCodeTable) {
codeTables->push_back(seg);
}

10
SPECS/poppler.spec
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@ -4,7 +4,7 @@
Summary: PDF rendering library Summary: PDF rendering library
Name: poppler Name: poppler
Version: 20.11.0 Version: 20.11.0
Release: 5%{?dist} Release: 6%{?dist}
License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT
URL: http://poppler.freedesktop.org/ URL: http://poppler.freedesktop.org/
Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz
@ -30,6 +30,9 @@ Patch23: poppler-20.11.0-bad-generation.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=2087190 # https://bugzilla.redhat.com/show_bug.cgi?id=2087190
Patch24: poppler-20.11.0-hints.patch Patch24: poppler-20.11.0-hints.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=2124527
Patch25: poppler-20.11.0-jbig-symbol-overflow.patch
BuildRequires: cmake BuildRequires: cmake
BuildRequires: gettext-devel BuildRequires: gettext-devel
BuildRequires: pkgconfig(cairo) BuildRequires: pkgconfig(cairo)
@ -234,6 +237,11 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
%{_mandir}/man1/* %{_mandir}/man1/*
%changelog %changelog
* Tue Sep 20 2022 Marek Kasik <mkasik@redhat.com> - 20.11.0-6
- Check for overflow when computing number of symbols
- in JBIG2 text region
- Resolves: #2126361
* Fri Jun 17 2022 Marek Kasik <mkasik@redhat.com> - 20.11.0-5 * Fri Jun 17 2022 Marek Kasik <mkasik@redhat.com> - 20.11.0-5
- Don't run out of file for Hints - Don't run out of file for Hints
- Rebuild for #2096452 - Rebuild for #2096452