CVE-2022-44640

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2022-44640
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-44640.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-44640
Aliases
  • GHSA-88pm-hfmq-7vv4
Downstream
Related
Published
2022-12-25T00:00:00Z
Modified
2026-08-18T16:23:32.760294Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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).

Database specific 
{
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/44xxx/CVE-2022-44640.json"
}
References

Affected packages

Git / github.com/heimdal/heimdal

Affected ranges

Type
GIT
Repo
https://github.com/heimdal/heimdal
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
78077c39e355766221383ee48c8b9be0459a82a4
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*",
    "source": [
        "DESCRIPTION",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "7.7.1"
        }
    ]
}
Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
fc8342bd26d1c55ca5780b427f675f31147b27f9
Fixed
0c85a0adaa57df2541ec2d395d1f7cf936bc2e43
Introduced
e95d85f784ae6b19f2cb42cc9039b60b146e5b69
Fixed
6cc6e233b5ceb2a579400f020b61c67ca7bbeb78
Introduced
fbec737d9d3d992b54f52defcba62a304efef8f7
Fixed
ab48448c650c96095fa183c3531a3dd244983664
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "4.15.0"
        },
        {
            "fixed": "4.15.3"
        },
        {
            "introduced": "4.16.0"
        },
        {
            "fixed": "4.16.8"
        },
        {
            "introduced": "4.17.0"
        },
        {
            "fixed": "4.17.4"
        }
    ]
}

Affected versions

Other
git2svn-syncpoint-master
switch-from-svn-to-git
heimdal-1.*
heimdal-1.3.0pre1
heimdal-1.3.0pre10
heimdal-1.3.0pre11
heimdal-1.3.0pre3
heimdal-1.3.0pre4
heimdal-1.3.0pre5
heimdal-1.3.0pre6
heimdal-1.3.0pre7
heimdal-1.3.0pre8
heimdal-1.3.0pre9
heimdal-1.3.0rc1
heimdal-1.5pre1
heimdal-1.5pre2
heimdal-7.*
heimdal-7.0.1
heimdal-7.0.2
heimdal-7.0.3
heimdal-7.1.0
heimdal-7.1rc1
heimdal-7.2.0
heimdal-7.3.0
heimdal-7.4.0
heimdal-7.5.0
heimdal-7.6.0
heimdal-7.7.0
ldb-2.*
ldb-2.4.1
ldb-2.5.1
ldb-2.5.2
samba-4.*
samba-4.15.0
samba-4.15.1
samba-4.15.2
samba-4.16.0
samba-4.16.1
samba-4.16.2
samba-4.16.3
samba-4.16.4
samba-4.16.5
samba-4.17.0
samba-4.17.1
samba-4.17.2
upstream-1.*
upstream-1.4.0+git20101228.dfsg.1
upstream-1.4.0+git20110220.dfsg.1

Database specific

vanir_signatures_modified 
"2026-08-18T16:23:32Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-44640.json"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "target": {
            "file": "include/bits.c"
        },
        "digest": {
            "line_hashes": [
                "185684756605390238103334007784352789624",
                "7131579695216385856922531758292910060",
                "96067565823201056646313325968740529266",
                "307324062224806380958204996069287421659"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "id": "CVE-2022-44640-7e74d481",
        "source": "https://github.com/heimdal/heimdal/commit/78077c39e355766221383ee48c8b9be0459a82a4",
        "signature_type": "Line"
    }
]