[Poppler-bugs] [Bug 106060] New: heap-buffer-overflow in Splash::fillGlyph2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106060

            Bug ID: 106060
           Summary: heap-buffer-overflow in Splash::fillGlyph2
           Product: poppler
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: splash backend
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: pdknsk at gmail.com

==20495==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x602000c66214 at pc 0x000000a9e07c bp 0x7ffc90fe2e90 sp 0x7ffc90fe2e88
READ of size 1 at 0x602000c66214 thread T0
    #0 0xa9e07b in Splash::fillGlyph2(int, int, SplashGlyphBitmap*, bool)
poppler/splash/Splash.cc:2889:59
    #1 0xa9787d in Splash::fillChar(double, double, int, SplashFont*)
poppler/splash/Splash.cc:2753:5
    #2 0xa37c96 in SplashOutputDev::drawChar(GfxState*, double, double, double,
double, double, double, unsigned int, int, unsigned int*, int)
poppler/poppler/SplashOutputDev.cc:2466:13
    #3 0x8aa6c3 in Gfx::doShowText(GooString const*)
poppler/poppler/Gfx.cc:4049:14
    #4 0x86c687 in Gfx::opShowText(Object*, int) poppler/poppler/Gfx.cc:3776:3
    #5 0x88b290 in Gfx::go(bool) poppler/poppler/Gfx.cc:747:7
    #6 0x889f45 in Gfx::display(Object*, bool) poppler/poppler/Gfx.cc:709:3
    #7 0x97adf0 in Page::displaySlice(OutputDev*, double, double, int, bool,
bool, int, int, int, int, bool, bool (*)(void*), void*, bool (*)(Annot*,
void*), void*, bool) poppler/poppler/Page.cc:560:10
    #8 0x7a439f in PDFDoc::displayPageSlice(OutputDev*, int, double, double,
int, bool, bool, bool, int, int, int, int, bool (*)(void*), void*, bool
(*)(Annot*, void*), void*, bool) poppler/poppler/PDFDoc.cc:550:20
    #9 0xa28303 in poppler::page_renderer::render_page(poppler::page const*,
double, double, int, int, int, int, poppler::rotation_enum) const
poppler/cpp/poppler-page-renderer.cpp:180:13

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