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fix: check CBOR tagged subtype reads (#5339)

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This commit is contained in:
tomatotomata
2026-07-31 22:06:55 +02:00
committed by GitHub
parent eaedec859a
commit 2222d386c9
3 changed files with 89 additions and 16 deletions
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tests/src/unit-regression2.cpp
+25
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@@ -1530,4 +1530,29 @@ TEST_CASE("issue #4320 - custom base class must not leak nlohmann::detail into A
CHECK(j == json({{"x", 1.0}, {"y", 2.0}, {"z", 3.0}}));
}
TEST_CASE("issue #5338 - truncated CBOR tagged binary subtype is rejected")
{
const std::vector<std::vector<std::uint8_t>> truncated_tags =
{
{0xD8},
{0xD9, 0x00},
{0xDA, 0x00, 0x00, 0x00},
{0xDB, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
for (const auto& data : truncated_tags)
{
CAPTURE(data);
for (const auto tag_handler :
{
json::cbor_tag_handler_t::ignore, json::cbor_tag_handler_t::store
})
{
CAPTURE(tag_handler);
const auto result = json::from_cbor(data, true, false, tag_handler);
CHECK(result.is_discarded());
}
}
}
DOCTEST_CLANG_SUPPRESS_WARNING_POP