CVE-2021-26222
HIGHCVSS 8.1/10EPSS 1.18%
Last modified
CVE-2021-26222 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ezxml Project | Ezxml | <= 0.8.6 |
References
- https://sourceforge.net/p/ezxml/bugs/22/Exploit, Third Party Advisory
- https://sourceforge.net/p/ezxml/bugs/22/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26222?
The ezxml_new function in ezXML 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.
How severe is CVE-2021-26222?
CVE-2021-26222 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26222?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-26222?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST