CVE detail
CVE-2026-7210
`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 24.0 · diversity 16.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
10 source links · newest first
- CVE-2026-7210 The expat and elementtree parsers use insufficient entropy for XML hash-flooding protectionMicrosoft MSRC
Information published.
vendormsrc.microsoft.comMay 15, 2026, 8:02 AM - http://www.openwall.com/lists/oss-security/2026/05/11/8www.openwall.com
No excerpt available.
Exploitwww.openwall.comMay 11, 2026, 6:16 PM - http://www.openwall.com/lists/oss-security/2026/05/11/13www.openwall.com
No excerpt available.
Exploitwww.openwall.comMay 11, 2026, 6:16 PM - https://mail.python.org/archives/list/[email protected]/thread/PNY5OMBDPM2FRUZTWFFPJ6LISWKV627K/mail.python.org
No excerpt available.
Vendor Advisorymail.python.orgMay 11, 2026, 6:16 PM No excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PMNo excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PMNo excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PMNo excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PMNo excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PMNo excerpt available.
Exploitgithub.comMay 11, 2026, 6:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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