CVE-2019-14844

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-26 · updated 2026-06-17
Weakness: CWE-628

Description

A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 "enctypes". A remote unauthenticated user could use this flaw to crash the KDC.

Affected products

Fedoraproject Fedora: 29, 30, 31
MIT Kerberos 5: from 1.16.1 through 1.17.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
https://github.com/krb5/krb5/pull/981
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/
https://security.netapp.com/advisory/ntap-20220325-0003/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844
https://github.com/krb5/krb5/pull/981
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/
https://security.netapp.com/advisory/ntap-20220325-0003/

Get alerted when CVE-2019-14844 or the next vulnerability affects your stack