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17 lines
646 B
Markdown
17 lines
646 B
Markdown
```toml
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[advisory]
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id = "CVE-2021-28878"
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package = "std"
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categories = ["memory-corruption"]
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date = "2021-02-19"
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url = "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28878"
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[versions]
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patched = [">= 1.52.0"]
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unaffected = ["< 1.14.0"]
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```
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# Zip may call __iterator_get_unchecked twice with the same index
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In the standard library in Rust before 1.52.0, the Zip implementation calls __iterator_get_unchecked() more than once for the same index (under certain conditions) when next_back() and next() are used together. This bug could lead to a memory safety violation due to an unmet safety requirement for the TrustedRandomAccess trait.
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