Vulnerability Details : CVE-2021-3518

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.
Published 2021-05-18 12:15:08
Updated 2022-10-05 02:25:16
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Threat overview for CVE-2021-3518

Top countries where our scanners detected CVE-2021-3518
Top open port discovered on systems with this issue 53
IPs affected by CVE-2021-3518 56,740
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-3518!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-3518

Probability of exploitation activity in the next 30 days: 0.41%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-3518

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2021-3518

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2021-3518

Products affected by CVE-2021-3518

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