Vulnerability Details : 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.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-26222
Probability of exploitation activity in the next 30 days: 0.13%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 47 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-26222
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:P |
8.6
|
4.9
|
NIST |
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2021-26222
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26222
-
https://sourceforge.net/p/ezxml/bugs/22/
ezXML / Bugs / #22 Out-of-bounds write caused by incorrect error handling of malloc in ezxml_new (ezxml.c:843)Exploit;Third Party Advisory
Products affected by CVE-2021-26222
- cpe:2.3:a:ezxml_project:ezxml:*:*:*:*:*:*:*:*