CVE-2021-26222
CVSS v3
8.1
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-02-08
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.
Is CVE-2021-26222 actively exploited?
Active exploitation of CVE-2021-26222 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-26222?
CVE-2021-26222 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2021-26222 affecting your environment?
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