CVE-2023-50387

Source
https://cve.org/CVERecord?id=CVE-2023-50387
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-50387.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-50387
Downstream
Related
Published
2024-02-14T00:00:00Z
Modified
2026-07-07T08:38:40.716563602Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50387.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/nlnetlabs/unbound

Affected ranges

Type
GIT
Repo
https://github.com/nlnetlabs/unbound
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "cpe": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.19.1"
        }
    ]
}

Affected versions

1.*
1.11.0rc1
Other
final-svn-state
release-0.*
release-0.0
release-0.1
release-0.10
release-0.11
release-0.3
release-0.4
release-0.5
release-0.6
release-0.7
release-0.8
release-1.*
release-1.0.1
release-1.1.1
release-1.10.0rc1
release-1.10.0rc2
release-1.11.0
release-1.11.0rc1
release-1.12.0
release-1.12.0rc1
release-1.13.0rc1
release-1.13.0rc2
release-1.13.0rc3
release-1.13.0rc4
release-1.13.1
release-1.13.1rc1
release-1.13.1rc2
release-1.13.2
release-1.13.2rc1
release-1.14.0
release-1.14.0rc1
release-1.15.0
release-1.15.0rc1
release-1.16.0
release-1.16.0rc1
release-1.16.1
release-1.16.1rc1
release-1.16.2
release-1.18.0
release-1.18.0rc1
release-1.19.0
release-1.19.0rc1
release-1.3.1
release-1.3.2
release-1.3.3
release-1.3.3rc1
release-1.4.0
release-1.4.0rc1
release-1.4.1
release-1.4.11
release-1.4.11rc1
release-1.4.11rc2
release-1.4.11rc3
release-1.4.12rc1
release-1.4.13
release-1.4.13rc1
release-1.4.13rc2
release-1.4.14
release-1.4.14rc1
release-1.4.17
release-1.4.17rc1
release-1.4.18rc1
release-1.4.18rc2
release-1.4.19
release-1.4.19rc1
release-1.4.2
release-1.4.20
release-1.4.22
release-1.4.22rc1
release-1.4.3
release-1.4.4
release-1.4.4rc1
release-1.4.5
release-1.4.5rc1
release-1.4.6
release-1.4.6rc1
release-1.4.7
release-1.4.7rc1
release-1.4.8rc1
release-1.4.9
release-1.4.9rc1
release-1.5.0rc1
release-1.5.1
release-1.5.10
release-1.5.10rc1
release-1.5.1rc1
release-1.5.1rc2
release-1.5.2
release-1.5.2rc1
release-1.5.3rc1
release-1.5.4
release-1.5.4rc1
release-1.5.5
release-1.5.5rc1
release-1.5.6
release-1.5.6rc1
release-1.5.7
release-1.5.8
release-1.5.8rc1
release-1.5.9rc1
release-1.6.0rc1
release-1.6.1rc1
release-1.6.1rc2
release-1.6.1rc3
release-1.6.2rc1
release-1.6.4rc1
release-1.6.4rc2
release-1.6.6rc1
release-1.6.6rc2
release-1.6.7
release-1.6.7rc1
release-1.7.0rc1
release-1.7.0rc2
release-1.7.0rc3
release-1.7.1rc1
release-1.7.2rc1
release-1.7.3rc1
release-1.8.0rc1
release-1.8.1rc1
release-1.8.2rc1
release-1.9.0rc1
release-1.9.1rc1
release-1.9.2
release-1.9.2rc1
release-1.9.2rc2
release-1.9.2rc3
release-1.9.3
release-1.9.3rc1
release-1.9.3rc2
release-1.9.6
release-1.9.6rc1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-50387.json"

Git / github.com/powerdns/pdns

Affected ranges

Type
GIT
Repo
https://github.com/powerdns/pdns
Events
Database specific
{
    "cpe": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "4.8.0"
        },
        {
            "fixed": "4.8.6"
        },
        {
            "introduced": "4.9.0"
        },
        {
            "fixed": "4.9.3"
        },
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.0.2"
        }
    ]
}

Affected versions

rec-4.*
rec-4.8.0
rec-4.8.2
rec-4.8.3
rec-4.8.4
rec-4.8.5
rec-4.9.0
rec-4.9.1
rec-4.9.2
rec-5.*
rec-5.0.0
rec-5.0.0-rc2
rec-5.0.1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-50387.json"