Vulnerability Details : CVE-2021-26220
The ezxml_toxml 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
Products affected by CVE-2021-26220
- cpe:2.3:a:ezxml_project:ezxml:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26220
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26220
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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-2021-26220
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26220
-
https://sourceforge.net/p/ezxml/bugs/23/
ezXML / Bugs / #23 Out-of-bounds write caused by incorrect error handling of malloc in ezxml_new (ezxml.c:750)Exploit;Third Party Advisory
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