fixup! fixup! Blog: add post about HashDoS fix in Mar 2026 security release

Author: joyeecheung

apps/site/pages/en/blog/vulnerability/march-2026-hashdos.mdx

@@ -72,7 +72,7 @@ One of the most commonly used hash tables in V8 is the [string table](https://ch
         <mo>=</mo>
         <mtext>hash</mtext>
         <mspace width="0.3em" />
-        <mo>{'&'}</mo>
+        <mo>&amp;</mo>
         <mspace width="0.3em" />
         <mo stretchy="false">(</mo>
         <mtext>capacity</mtext>
@@ -109,7 +109,7 @@ One of the most commonly used hash tables in V8 is the [string table](https://ch
         <mi>k</mi>
         <mo stretchy="false">)</mo>
         <mspace width="0.3em" />
-        <mo>{'&'}</mo>
+        <mo>&amp;</mo>
         <mspace width="0.3em" />
         <mo stretchy="false">(</mo>
         <mtext>capacity</mtext>
@@ -254,13 +254,13 @@ The search for bijective integer hash functions led us to Christopher Wellons' [
        <mi>x</mi>
        <mi>i</mi>
      </msub>
-     <mo>⊕</mo>
+     <mo>&#x2295;</mo>
      <mo stretchy="false">(</mo>
      <msub>
        <mi>x</mi>
        <mi>i</mi>
      </msub>
-     <mo>{'>>'}</mo>
+     <mo>&gt;&gt;</mo>
      <mi>k</mi>
      <mo stretchy="false">)</mo>
    </math>
@@ -284,7 +284,7 @@ The search for bijective integer hash functions led us to Christopher Wellons' [
          <mn>1</mn>
        </mrow>
      </msub>
-     <mo>⊕</mo>
+     <mo>&#x2295;</mo>
      <mo stretchy="false">(</mo>
      <msub>
        <mi>x</mi>
@@ -294,7 +294,7 @@ The search for bijective integer hash functions led us to Christopher Wellons' [
          <mn>1</mn>
        </mrow>
      </msub>
-     <mo>{'>>'}</mo>
+     <mo>&gt;&gt;</mo>
      <mi>k</mi>
      <mo stretchy="false">)</mo>
    </math>