<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="../assets/feed.xsl"?><rss version="2.0"><channel><title>PatchTheCVE: xgrammar</title><link>https://patchthecve.com/</link><description>CVEs with upgrade or downgrade fix steps</description><item><title>CVE-2026-25048: xgrammar is an open-source library for efficient, flexible, and portable structured generation</title><link>https://patchthecve.com/cve/CVE-2026-25048.html</link><guid>https://patchthecve.com/cve/CVE-2026-25048.html</guid><pubDate>Tue, 21 Jul 2026 12:17:34 +0000</pubDate><description>HIGH 7.5: xgrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.32, the multi-level nested syntax caused a segmentation fault (core dumped). This issue has been patched in version 0.1.32.</description></item><item><title>CVE-2025-58446: xgrammar is an open-source library for efficient, flexible, and portable structured generation</title><link>https://patchthecve.com/cve/CVE-2025-58446.html</link><guid>https://patchthecve.com/cve/CVE-2025-58446.html</guid><pubDate>Wed, 17 Jun 2026 09:44:28 +0000</pubDate><description>HIGH 7.5: xgrammar is an open-source library for efficient, flexible, and portable structured generation. A grammar optimizer introduced in 0.1.23 processes large grammars (&gt;100k characters) at very low rates, and can be used for DOS of model providers. This issue is fixed in version 0.1.24.</description></item><item><title>CVE-2025-57809: XGrammar is an open-source library for efficient, flexible, and portable structured generation</title><link>https://patchthecve.com/cve/CVE-2025-57809.html</link><guid>https://patchthecve.com/cve/CVE-2025-57809.html</guid><pubDate>Wed, 17 Jun 2026 09:43:28 +0000</pubDate><description>HIGH 7.5: XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.21, XGrammar has an infinite recursion issue in the grammar. This issue has been resolved in version 0.1.21.</description></item><item><title>CVE-2025-32381: XGrammar is an open-source library for efficient, flexible, and portable structured generation</title><link>https://patchthecve.com/cve/CVE-2025-32381.html</link><guid>https://patchthecve.com/cve/CVE-2025-32381.html</guid><pubDate>Wed, 17 Jun 2026 09:11:54 +0000</pubDate><description>MEDIUM 6.5: XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to 0.1.18, Xgrammar includes a cache for compiled grammars to increase performance with repeated use of the same grammar. This cache is held in memory. Since the cache is unbounded, a system making </description></item></channel></rss>