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Common: fixes segmentation fault triggered by dereferencing value at negative index (#2198)

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s0s
2026-02-24 03:00:25 +00:00
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parent e22a9990ec
commit fc7710821e
1 changed files with 2 additions and 2 deletions
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src/common/impl/format.c
+2 -2
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@@ -204,7 +204,7 @@ void ffParseFormatString(FFstrbuf* buffer, const FFstrbuf* formatstr, uint32_t n
uint32_t index = getArgumentIndex(placeholderValue.chars, numArgs, arguments);
// testing for an invalid index
if (index > numArgs)
if (index > numArgs || index < 1)
{
appendInvalidPlaceholder(buffer, "{?", &placeholderValue, i, formatstr->length);
continue;
@@ -230,7 +230,7 @@ void ffParseFormatString(FFstrbuf* buffer, const FFstrbuf* formatstr, uint32_t n
uint32_t index = getArgumentIndex(placeholderValue.chars, numArgs, arguments);
// testing for an invalid index
if (index > numArgs)
if (index > numArgs || index < 1)
{
appendInvalidPlaceholder(buffer, "{/", &placeholderValue, i, formatstr->length);
continue;