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author | Nicolas Pena <npm@chromium.org> | 2017-01-27 10:05:36 -0500 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2017-01-27 15:32:35 +0000 |
commit | 6438c4f36da162f72e0d53e8fff45cd6687b7f5c (patch) | |
tree | 0efaccaea0b15375432c387ebc8ee5ce1126254e /core/fpdfapi/page/cpdf_streamcontentparser.cpp | |
parent | d532036fbb0efa4687f89598ff37518e3825c7b9 (diff) | |
download | pdfium-6438c4f36da162f72e0d53e8fff45cd6687b7f5c.tar.xz |
Limit parsing recursion levels in CPDF_StreamParser
We currently only limit the array recursion levels. This recursion
level may also be reset when parsing. This is insufficient to protect
against stack overflows.
BUG=681920
Change-Id: I69bd0c912fb45c0e68b9b9fa961d43f0adc9bdd3
Reviewed-on: https://pdfium-review.googlesource.com/2434
Commit-Queue: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fpdfapi/page/cpdf_streamcontentparser.cpp')
-rw-r--r-- | core/fpdfapi/page/cpdf_streamcontentparser.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp index 2426027976..0e78612bc9 100644 --- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp +++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp @@ -628,7 +628,7 @@ void CPDF_StreamContentParser::Handle_BeginImage() { break; } CFX_ByteString key(m_pSyntax->GetWord().Mid(1)); - auto pObj = m_pSyntax->ReadNextObject(false, 0); + auto pObj = m_pSyntax->ReadNextObject(false, false, 0); if (!key.IsEmpty()) { uint32_t dwObjNum = pObj ? pObj->GetObjNum() : 0; if (dwObjNum) |