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Fix: HBO in CIccCalculatorFunc::ApplySequence() #635

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Merged
xsscx merged 1 commit into from
Mar 1, 2026
Merged

Fix: HBO in CIccCalculatorFunc::ApplySequence() #635

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19 changes: 16 additions & 3 deletions IccProfLib/IccMpeCalc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3765,10 +3765,15 @@ bool CIccCalculatorFunc::ApplySequence(CIccApplyMpeCalculator *pApply, icUInt32N
if (nSel<0 || (icUInt32Number)nSel>=op->extra) {

if (ops[nDefOff].sig==icSigDefaultOp) {
if (os.idx+1 + ops[nDefOff].extra >= nOps)
size_t offset = (size_t)os.idx + 1 + ops[nDefOff].extra;
if (offset >= nOps)
return false;

if (!ApplySequence(pApply, ops[nDefOff].data.size, &ops[os.idx+1 + ops[nDefOff].extra]))
icUInt32Number dataSize = ops[nDefOff].data.size;
if ((nDefOff + dataSize) >= nOps)
return false;

if (!ApplySequence(pApply, dataSize, &ops[offset]))
break;
}
}
Expand All @@ -3778,7 +3783,15 @@ bool CIccCalculatorFunc::ApplySequence(CIccApplyMpeCalculator *pApply, icUInt32N
if (nOff >= nOps)
return false;

if (!ApplySequence(pApply, ops[nOff].data.size, &ops[os.idx+1 + ops[nOff].extra]))
icUInt32Number dataSize = ops[nOff].data.size;
if ((nOff + dataSize) >= nOps)
return false;

size_t offset = (size_t)os.idx + 1 + ops[nOff].extra;
if (offset >= nOps)
return false;

if (!ApplySequence(pApply, dataSize, &ops[offset]))
break;
}

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