VDB
CVE-2022-44640
CVE-2022-44640
PUBLISHED
CVSS 9.8 CRITICAL
Reported by mitre · Published December 25, 2022
Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| heimdal | Alpine | 7.7.1-r0 |
| samba | samba | 4.17.4, 4.16.8, 4.15.3 |
| heimdal | heimdal_project | 7.7.1 |
Risk scores
CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| alpine | heimdal | 0 |
| n/a | n/a | * |
Timeline
- Nov 15, 2022 CVE Published
- Dec 25, 2022 EPSS Score (30 in total, the first dated here)
- Apr 15, 2025 CVE Updated
- Mar 10, 2026 Security Advisory (24 in total, the first dated here)
- Jun 13, 2026 Coalition ESS Score
- Nov 3, 2026 Distribution Patch (19 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2022-44640
vulnetix vdb fixes CVE-2022-44640Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2022-44640/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- GLSA-202310-06 vendor-advisory