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LibWeb: Fix StringView OOB access when parsing 3-character legacy color
Found by Domato.
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parent
7360f7fbc6
commit
1c00e5688d
Notes:
github-actions[bot]
2024-07-20 07:32:06 +00:00
Author: https://github.com/awesomekling Commit: https://github.com/LadybirdBrowser/ladybird/commit/1c00e5688d3 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/721
@ -0,0 +1 @@
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PASS (didn't crash)
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@ -0,0 +1,7 @@
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<script src="../include.js"></script>
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<body bgcolor="foo">
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<script>
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test(() => {
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println("PASS (didn't crash)");
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});
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</script>
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@ -4879,6 +4879,9 @@ Optional<Color> parse_legacy_color_value(StringView string)
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}
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auto to_hex = [&](StringView string) -> u8 {
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if (length == 1) {
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return hex_nibble_to_u8(string[0]);
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}
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auto nib1 = hex_nibble_to_u8(string[0]);
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auto nib2 = hex_nibble_to_u8(string[1]);
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return nib1 << 4 | nib2;
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