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Vulnerability details: VCID-yxsg-qgfk-37hs
Vulnerability ID VCID-yxsg-qgfk-37hs
Aliases CVE-2022-41916
Summary Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-193 Off-by-one Error
System Score Found at
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2022-41916
cvssv3.1 5.9 https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
ssvc Track https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
cvssv3.1 5.9 https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
ssvc Track https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-41916
cvssv3.1 5.9 https://security.gentoo.org/glsa/202310-06
ssvc Track https://security.gentoo.org/glsa/202310-06
cvssv3.1 5.9 https://security.netapp.com/advisory/ntap-20230216-0008/
ssvc Track https://security.netapp.com/advisory/ntap-20230216-0008/
cvssv3.1 5.9 https://www.debian.org/security/2022/dsa-5287
ssvc Track https://www.debian.org/security/2022/dsa-5287
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-41916
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44758
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3437
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41916
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42898
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44640
1024187 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1024187
202310-06 https://security.gentoo.org/glsa/202310-06
cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2022-41916 https://nvd.nist.gov/vuln/detail/CVE-2022-41916
dsa-5287 https://www.debian.org/security/2022/dsa-5287
GHSA-mgqr-gvh6-23cx https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
msg00034.html https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
ntap-20230216-0008 https://security.netapp.com/advisory/ntap-20230216-0008/
USN-5766-1 https://usn.ubuntu.com/5766-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:54:33Z/ Found at https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:54:33Z/ Found at https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-41916
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/202310-06
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:54:33Z/ Found at https://security.gentoo.org/glsa/202310-06
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20230216-0008/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:54:33Z/ Found at https://security.netapp.com/advisory/ntap-20230216-0008/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.debian.org/security/2022/dsa-5287
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:54:33Z/ Found at https://www.debian.org/security/2022/dsa-5287
Exploit Prediction Scoring System (EPSS)
Percentile 0.44444
EPSS Score 0.00217
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:50.421402+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.22/main.json 37.0.0