kbrain

CVE-2009-0846

HIGH · CVSS 10.0EPSS 8.9%EU EUVD

The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.

Key facts

CVSS score
10.0 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-824
EPSS score
8.9% (95th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0843)
Published
April 9, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0843 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • apple / mac os x
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • fedoraproject / fedora
  • fedoraproject / fedora
  • mit / kerberos 5
  • redhat / enterprise linux
  • redhat / enterprise linux desktop
  • redhat / enterprise linux desktop
  • redhat / enterprise linux eus
  • redhat / enterprise linux server
  • redhat / enterprise linux server
  • redhat / enterprise linux server
  • redhat / enterprise linux workstation
  • redhat / enterprise linux workstation
  • redhat / enterprise linux workstation

Certified products that may be affected

9 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

See all 9 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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