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Add check for ID3v2 frame data length (#1300)

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Also fix some wrong frame sizes in the unit tests.

---------

Co-authored-by: Urs Fleisch <ufleisch@users.sourceforge.net>
This commit is contained in:
Stephen Booth
2026-01-31 01:24:54 -06:00
committed by GitHub
parent 51f431c96a
commit 397b6c1de3
2 changed files with 16 additions and 6 deletions
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15
tests/test_id3v2.cpp
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@ -234,13 +234,13 @@ public:
f.setData(multiBomBeData);
CPPUNIT_ASSERT_EQUAL(String("Foo Bar"), f.toString());
ByteVector singleBomLeData("TPE1\x00\x00\x00\x13\x00\x00\x01\xff\xfe"
ByteVector singleBomLeData("TPE1\x00\x00\x00\x11\x00\x00\x01\xff\xfe"
"F\0o\0o\0\0\0"
"B\0a\0r\0", 27);
f.setData(singleBomLeData);
CPPUNIT_ASSERT_EQUAL(String("Foo Bar"), f.toString());
ByteVector singleBomBeData("TPE1\x00\x00\x00\x13\x00\x00\x01\xfe\xff"
ByteVector singleBomBeData("TPE1\x00\x00\x00\x11\x00\x00\x01\xfe\xff"
"\0F\0o\0o\0\0"
"\0B\0a\0r", 27);
f.setData(singleBomBeData);
@ -281,7 +281,7 @@ public:
void testParseAPIC_UTF16_BOM()
{
ID3v2::AttachedPictureFrame f(ByteVector(
"\x41\x50\x49\x43\x00\x02\x0c\x59\x00\x00\x01\x69\x6d\x61\x67\x65"
"\x41\x50\x49\x43\x00\x00\x00\x26\x00\x00\x01\x69\x6d\x61\x67\x65"
"\x2f\x6a\x70\x65\x67\x00\x00\xfe\xff\x00\x63\x00\x6f\x00\x76\x00"
"\x65\x00\x72\x00\x2e\x00\x6a\x00\x70\x00\x67\x00\x00\xff\xd8\xff",
16 * 3));
@ -668,7 +668,7 @@ public:
{
ID3v2::SynchronizedLyricsFrame f(
ByteVector("SYLT" // Frame ID
"\x00\x00\x00\x21" // Frame size
"\x00\x00\x00\x1e" // Frame size
"\x00\x00" // Frame flags
"\x00" // Text encoding
"eng" // Language
@ -1424,7 +1424,7 @@ public:
auto chapterData =
ByteVector("CHAP" // Frame ID
"\x00\x00\x00\x20" // Frame size
"\x00\x00\x00\x12" // Frame size
"\x00\x00" // Frame flags
"\x43\x00" // Element ID ("C")
"\x00\x00\x00\x03" // Start time
@ -1447,7 +1447,10 @@ public:
CPPUNIT_ASSERT(static_cast<unsigned int>(0x03) == f1.endOffset());
CPPUNIT_ASSERT(static_cast<unsigned int>(0x00) == f1.embeddedFrameList().size());
ID3v2::ChapterFrame f2(&header, chapterData + embeddedFrameData);
auto chapWithTit2Data = chapterData + embeddedFrameData;
// Adapt the frame size for the added embedded frame data.
chapWithTit2Data[7] = static_cast<char>(chapterData[7] + embeddedFrameData.size());
ID3v2::ChapterFrame f2(&header, chapWithTit2Data);
CPPUNIT_ASSERT_EQUAL(ByteVector("C"), f2.elementID());
CPPUNIT_ASSERT(static_cast<unsigned int>(0x03) == f2.startTime());