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CVE-2020-17507.patch
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File CVE-2020-17507.patch of Package A_tw-libqt4
--- qt-everywhere-opensource-src-4.8.7/src/gui/image/qxbmhandler.cpp +++ qt-everywhere-opensource-src-4.8.7/src/gui/image/qxbmhandler.cpp @@ -154,7 +154,9 @@ w = (w+7)/8; // byte width while (y < h) { // for all encoded bytes... - if (p) { // p = "0x.." + if (p && p < (buf + readBytes - 3)) { // p = "0x.." + if (!isxdigit(p[2]) || !isxdigit(p[3])) + return false; *b++ = hex2byte(p+2); p += 2; if (++x == w && ++y < h) {
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