CVE-2017-7521

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Source
https://cve.org/CVERecord?id=CVE-2017-7521
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7521.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-7521
Downstream
Related
Published
2017-06-27T13:29:00.240Z
Modified
2026-03-14T14:30:30.135035Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extractx509extension().

References

Affected packages

Git / github.com/openvpn/openvpn

Affected ranges

Type
GIT
Repo
https://github.com/openvpn/openvpn
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
d044e188fb5669fed380c14473ef1045c88f9e80
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
307abe7b32e951ece58c7964b3fa72536aee6724
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
bb9d4c91c95f245dea87735e4e05661e04931b33
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
85161685f42f2d8c69604e0825e75fe1287e57bd
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.3.16"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.4.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.4.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.4.2"
        }
    ]
}

Affected versions

Other
contains
v2.*
v2.1.0
v2.1.1
v2.1.2
v2.1.3
v2.1_rc1
v2.1_rc10
v2.1_rc11
v2.1_rc12
v2.1_rc13
v2.1_rc14
v2.1_rc15
v2.1_rc16
v2.1_rc17
v2.1_rc18
v2.1_rc19
v2.1_rc2
v2.1_rc20
v2.1_rc21
v2.1_rc22
v2.1_rc3
v2.1_rc4
v2.1_rc5
v2.1_rc6
v2.1_rc7
v2.1_rc8
v2.1_rc9
v2.2-RC
v2.2-RC2
v2.2-beta4
v2.2-beta5
v2.3-alpha1
v2.3.0
v2.3.1
v2.3.10
v2.3.11
v2.3.12
v2.3.13
v2.3.14
v2.3.15
v2.3.16
v2.3.2
v2.3.3
v2.3.4
v2.3.5
v2.3.6
v2.3.7
v2.3.8
v2.3.9
v2.3_alpha2
v2.3_alpha3
v2.3_beta1
v2.3_rc1
v2.3_rc2
v2.4.0
v2.4_alpha1
v2.4_alpha2
v2.4_beta1
v2.4_beta2
v2.4_rc1
v2.4_rc2

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "2.4.0-alpha2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "2.4.0-beta1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "2.4.0-beta2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "2.4.0-rc1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "2.4.0-rc2"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7521.json"