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      <title>CVE-2026-73089 — Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-73089</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; browserslist&lt;/p&gt;
&lt;p&gt;Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, index.js retains every distinct `(queries, context)` result in cache and every parseQueries() AST in parseCache without a size cap, TTL, or eviction, allowing an attacker who can influence repeated browserslist() query values, including valid since `&amp;lt;year&amp;gt;-&amp;lt;month&amp;gt;-&amp;lt;day&amp;gt;` queries, to bypass the caller-controlled BROWSERSLIST_DISABLE_CACHE mitigation and cause linear memory growth followed by an out-of-memory process crash. This issue is fixed in version 4.28.7.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; browserslist&lt;/p&gt;
&lt;p&gt;Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, index.js retains every distinct `(queries, context)` result in cache and every parseQueries() AST in parseCache without a size cap, TTL, or eviction, allowing an attacker who can influence repeated browserslist() query values, including valid since `&amp;lt;year&amp;gt;-&amp;lt;month&amp;gt;-&amp;lt;day&amp;gt;` queries, to bypass the caller-controlled BROWSERSLIST_DISABLE_CACHE mitigation and cause linear memory growth followed by an out-of-memory process crash. This issue is fixed in version 4.28.7.&lt;/p&gt;</content:encoded>
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