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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-3735

While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-3735
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:14 UTC · Revision 1

Source evidence

CVE-2017-3735

core-osv · Original source

Published 28 Aug 2017, 19:29 UTC

While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.

osv:CVE-2017-3735
Complete source record
{
  "id": "460fda411cc0ed72d633da0cec91b5e05662fa60d9896b52e362586bc115aae5",
  "url": "https://osv.dev/vulnerability/CVE-2017-3735",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-3735",
    "summary": "While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.",
    "evidence": "osv:CVE-2017-3735",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-3735",
      "aliases": [
        "CVE-2017-3735"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
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                },
                {
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                },
                {
                  "fixed": "068b963bb7afc57f5bdd723de0dd15e7795d5822"
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                    "cpe": "cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*",
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                      {
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                  {
                    "cpe": "cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*",
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                    "cpe": "cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*",
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            "vanir_signatures_modified": "2026-10-20T13:23:41Z"
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      "modified": "2026-10-20T13:23:41.326110017Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
        "https://lists.debian.org/debian-lts-announce/2017/11/msg00011.html",
        "https://support.apple.com/HT208331",
        "https://usn.ubuntu.com/3611-2/",
        "https://www.oracle.com//security-alerts/cpujul2021.html",
        "https://www.tenable.com/security/tns-2017-15",
        "https://access.redhat.com/errata/RHSA-2018:3221",
        "https://access.redhat.com/errata/RHSA-2018:3505",
        "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc",
        "https://security.gentoo.org/glsa/201712-03",
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        "https://www.debian.org/security/2017/dsa-4018",
        "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
        "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
        "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
        "https://security.netapp.com/advisory/ntap-20170927-0001/",
        "https://security.netapp.com/advisory/ntap-20171107-0002/",
        "https://www.openssl.org/news/secadv/20171102.txt",
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    "related_cves": [
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        "value": "CVE-2017-3735",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 387615,
  "published_at": "2017-08-28T19:29:01.353+00:00"
}