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CVE-2022-3515

libksba: integer overflow may lead to remote code execution

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Severity

Important

Red Hat Product Security

8.6

CVSS 3.1

Review impact separately from score.

Published · October 17, 2022

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE-190 · Integer Overflow or Wraparound