SARA / Free Tools / CVE / CVE-2022-3515

CVE-2022-3515 — A vulnerability was found in the Libksba library due to an integer overflow with

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
— —
EPSS
0.16% (top 62.90%)
CWE
CWE-190
Published
2023-01-12T00:00:00.000Z
Last modified
2025-04-08T15:48:31.667Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
na / libksbaFixed in libksba v1.6.2

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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