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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Mon, 26 Oct 2026 13:36:44 +0000</lastBuildDate>
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      <title>CVE-2026-115889 — Wasmtime: Bit-packing in Cranelift compiler causes silent overflow and miscompilation</title>
      <link>https://db.gcve.eu/vuln/cve-2026-115889</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; bytecodealliance wasmtime&lt;/p&gt;
&lt;p&gt;Wasmtime is a runtime for WebAssembly. Prior to 36.0.19 and 43.0.0, the Cranelift compiler backend bit-packs SSA value indices in a way that can silently overflow in release builds when compiling a sufficiently large or specially crafted Wasm function with many SSA values. The overflow can make Cranelift reference incorrect IR values, causing arbitrary miscompilation, type confusion, and other attacker-controlled effects that may escape the Wasm sandbox on any architecture using the default Cranelift backend. This issue is fixed in versions 36.0.19 and 43.0.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; bytecodealliance wasmtime&lt;/p&gt;
&lt;p&gt;Wasmtime is a runtime for WebAssembly. Prior to 36.0.19 and 43.0.0, the Cranelift compiler backend bit-packs SSA value indices in a way that can silently overflow in release builds when compiling a sufficiently large or specially crafted Wasm function with many SSA values. The overflow can make Cranelift reference incorrect IR values, causing arbitrary miscompilation, type confusion, and other attacker-controlled effects that may escape the Wasm sandbox on any architecture using the default Cranelift backend. This issue is fixed in versions 36.0.19 and 43.0.0.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-115889</guid>
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    <item>
      <title>RUSTSEC-2026-0380 — Bit-packing in Cranelift compiler causes silent overflow and miscompilation</title>
      <link>https://db.gcve.eu/vuln/rustsec-2026-0380</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: wasmtime&lt;/p&gt;
&lt;p&gt;This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-897f-g5gm-fmxm
For more information see the GitHub-hosted security advisory.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; crates.io: wasmtime&lt;/p&gt;
&lt;p&gt;This is an entry in the RustSec database for the Wasmtime security advisory
located at
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-897f-g5gm-fmxm
For more information see the GitHub-hosted security advisory.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/rustsec-2026-0380</guid>
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