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Vulnerability details: VCID-vrhz-pre9-7kdk
Vulnerability ID VCID-vrhz-pre9-7kdk
Aliases GHSA-mmwx-rj87-vfgr
Summary DNSJava affected by KeyTrap - NSEC3 closest encloser proof can exhaust CPU resources ### Impact Users using the `ValidatingResolver` for DNSSEC validation can run into CPU exhaustion with specially crafted DNSSEC-signed zones. ### Patches Users should upgrade to dnsjava v3.6.0 ### Workarounds Although not recommended, only using a non-validating resolver, will remove the vulnerability. ### References https://www.athene-center.de/en/keytrap
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-400 Uncontrolled Resource Consumption
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-mmwx-rj87-vfgr
cvssv3.1 6.5 https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
cvssv4 7.1 https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
generic_textual HIGH https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
cvssv3.1 6.5 https://github.com/dnsjava/dnsjava
cvssv4 7.1 https://github.com/dnsjava/dnsjava
generic_textual HIGH https://github.com/dnsjava/dnsjava
cvssv3.1 6.5 https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
cvssv4 7.1 https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
generic_textual HIGH https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
cvssv3.1 6.5 https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
cvssv3.1_qr HIGH https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
cvssv4 7.1 https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
generic_textual HIGH https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-50868
cvssv4 7.1 https://nvd.nist.gov/vuln/detail/CVE-2023-50868
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2023-50868
Reference id Reference type URL
https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
https://github.com/dnsjava/dnsjava
https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
https://nvd.nist.gov/vuln/detail/CVE-2023-50868
GHSA-mmwx-rj87-vfgr https://github.com/advisories/GHSA-mmwx-rj87-vfgr
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/advisories/GHSA-pv4h-p8jr-6cv2
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/dnsjava/dnsjava
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dnsjava/dnsjava
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dnsjava/dnsjava/commit/711af79be3214f52daa5c846b95766dc0a075116
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dnsjava/dnsjava/security/advisories/GHSA-mmwx-rj87-vfgr
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-50868
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-50868
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-04-01T12:51:21.080373+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/07/GHSA-mmwx-rj87-vfgr/GHSA-mmwx-rj87-vfgr.json 38.0.0