Critical
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-3515
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 15:30 UTC · Revision 1
Source evidence
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.
osv:CVE-2022-3515
Complete source record
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"id": "dedb06bb9770f89c5aa496cb17ed7286b06034d028db6b08ad41fd815a1bdeca",
"url": "https://osv.dev/vulnerability/CVE-2022-3515",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-3515",
"summary": "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.",
"evidence": "osv:CVE-2022-3515",
"products": [],
"severity": "critical",
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{
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"versions": [
"libksba-1.6.2",
"libksba-1.6.1",
"libksba-1.6.0",
"libksba-1.5.1",
"libksba-1.5.0",
"libksba-1.4.0",
"libksba-1.3.5",
"libksba-1.3.4",
"libksba-1.3.3",
"libksba-1.3.2",
"libksba-1.3.1",
"libksba-1.3.0",
"libksba-1.2.0",
"libksba-1-base",
"debian/libksba-1.1.0",
"debian/libksba-1.0.8",
"debian/libksba-1.0.7",
"debian/libksba-1.0.6",
"debian/libksba-1.0.5",
"debian/libksba-1.0.4",
"debian/libksba-1.0.3",
"debian/libksba-1.0.2",
"debian/libksba-1.0.1",
"debian/libksba-0.9.16",
"debian/libksba-0.9.15",
"debian/libksba-0.9.14",
"debian/libksba-0.9.13",
"debian/libksba-0-9-12",
"debian/libksba-0-9-11",
"debian/libksba-0-9-10",
"debian/libksba-0-9-9",
"debian/libksba-0-9-8",
"debian/libksba-0-9-7",
"debian/libksba-0-9-6",
"debian/libksba-0-9-5",
"debian/libksba-0-9-4",
"debian/libksba-0-9-3",
"debian/libksba-0-9-2",
"debian/libksba-0-9-1",
"debian/libksba-0-9-0",
"debian/libksba-0-4-7",
"debian/libksba-0-4-6",
"debian/V0-4-5",
"debian/V0-4-4",
"debian/V0-4-3",
"debian/V0-4-2",
"debian/V0-4-1",
"debian/V0-4-0",
"debian/V0-2-3",
"debian/V0-2-2",
"debian/V0-2-1",
"debian/V0-2-0",
"debian/V0-0-0"
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"modified": "2026-10-28T02:30:29.907581964Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/CVE-2022-3515",
"https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3515.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-3515",
"https://security.netapp.com/advisory/ntap-20230706-0008/",
"https://bugzilla.redhat.com/show_bug.cgi?id=2135610",
"https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html"
],
"provider_metadata": {
"cwe_ids": [
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],
"cna_assigner": "redhat",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "Fixed in libksba v1.6.2"
},
{
"last_affected": "Fixed in libksba v1.6.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3515.json"
}
},
"related_cves": [
{
"value": "CVE-2022-3515",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 496837,
"published_at": "2023-01-12T00:00:00+00:00"
}