CVE-2022-3515
CVSS v3
9.8
CRITICAL
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Technical details
- Published
- 2023-01-12
Frequently asked questions
What is CVE-2022-3515?
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Is CVE-2022-3515 actively exploited?
Active exploitation of CVE-2022-3515 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-3515?
CVE-2022-3515 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-3515 affecting your environment?
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