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      <title>GHSA-2fjw-whxm-9v4q — libnftnl has Heap-based Buffer Overflow in nftnl::Batch::with_page_size (nftnl-rs)</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-2fjw-whxm-9v4q</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: nftnl&lt;/p&gt;
&lt;p&gt;A heap-buffer-overflow vulnerability exists in the Rust wrapper for libnftnl, triggered via the nftnl::Batch::with_page_size constructor. When a small or malformed page size is provided, the underlying C code allocates an insufficient buffer, leading to out-of-bounds writes during batch initialization.&lt;/p&gt;
&lt;p&gt;The flaw was fixed in commit 94a286f by adding an overflow check:
```Rust
batch_page_size
    .checked_add(crate::nft_nlmsg_maxsize())
    .expect(&amp;#34;batch_page_size is too large and would overflow&amp;#34;);
```&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: nftnl&lt;/p&gt;
&lt;p&gt;A heap-buffer-overflow vulnerability exists in the Rust wrapper for libnftnl, triggered via the nftnl::Batch::with_page_size constructor. When a small or malformed page size is provided, the underlying C code allocates an insufficient buffer, leading to out-of-bounds writes during batch initialization.&lt;/p&gt;
&lt;p&gt;The flaw was fixed in commit 94a286f by adding an overflow check:
```Rust
batch_page_size
    .checked_add(crate::nft_nlmsg_maxsize())
    .expect(&amp;#34;batch_page_size is too large and would overflow&amp;#34;);
```&lt;/p&gt;</content:encoded>
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