CVE-2021-37750
- Source
- https://cve.org/CVERecord?id=CVE-2021-37750
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37750.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-37750
- Downstream
- Related
- Published
- 2021-08-23T05:15:08.063Z
- Modified
- 2026-04-09T08:07:30.755036Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/dotgsreq.c via a FAST inner body that lacks a server field.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- https://github.com/krb5/krb5/releases
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
- https://security.netapp.com/advisory/ntap-20210923-0002/
- https://web.mit.edu/kerberos/advisories/
- https://www.starwindsoftware.com/security/sw-20220817-0004/
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
- https://www.oracle.com/security-alerts/cpujul2022.html
Affected packages
Git / github.com/krb5/krb5
Affected ranges
- Type
- GIT
- Repo
- https://github.com/krb5/krb5
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroduced0 Unknown introduced commit / All previous commits are affectedFixedFixed
- Database specific
{ "versions": [ { "introduced": "0" }, { "fixed": "1.18.5" }, { "introduced": "1.19.0" }, { "fixed": "1.19.3" } ] }
Affected versions
krb5-1.*
krb5-1.18-beta1
krb5-1.18-beta2
krb5-1.18-final
krb5-1.18.1-final
krb5-1.18.2-final
krb5-1.18.3-final
krb5-1.18.4-final
krb5-1.19-beta1
krb5-1.19-beta2
krb5-1.19-final
krb5-1.19.1-final
krb5-1.19.2-final
Database specific
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37750.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "v8r13-14338"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "22.1.0"
}
]
}
]