CVE-2009-0846
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 DatabaseAffected 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.
- Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 with CPACF - Red Hat®, Inc. - FIPS 140 2798 - historical
- Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2742 - historical
- Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2721 - historical
- Red Hat Enterprise Linux NSS Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2711 - historical
- Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical
See all 9 in the Security Certifications Explorer.
References
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html(Mailing List)
- http://lists.vmware.com/pipermail/security-announce/2009/000059.html(Broken Link)
- http://marc.info/?l=bugtraq&m=124896429301168&w=2(Third Party Advisory)
- http://marc.info/?l=bugtraq&m=130497213107107&w=2(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-0409.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-0410.html(Third Party Advisory)
- http://secunia.com/advisories/34594(Broken Link)
- http://secunia.com/advisories/34598(Broken Link)
- http://secunia.com/advisories/34617(Broken Link)
- http://secunia.com/advisories/34622(Broken Link)
- http://secunia.com/advisories/34628(Broken Link)
- http://secunia.com/advisories/34630(Broken Link)
- http://secunia.com/advisories/34637(Broken Link)
- http://secunia.com/advisories/34640(Broken Link)
- http://secunia.com/advisories/34734(Broken Link)
- http://secunia.com/advisories/35074(Broken Link)
- http://secunia.com/advisories/35667(Broken Link)
- http://security.gentoo.org/glsa/glsa-200904-09.xml(Third Party Advisory)
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1(Broken Link)
- http://support.apple.com/kb/HT3549(Third Party Advisory)
- http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm(Third Party Advisory)
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html(Broken Link)
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html(Broken Link)
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt(Patch, Vendor Advisory)
- http://wiki.rpath.com/Advisories:rPSA-2009-0058(Broken Link)
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058(Broken Link)
- http://www-01.ibm.com/support/docview.wss?uid=swg21396120(Broken Link)
- http://www.kb.cert.org/vuls/id/662091(Broken Link, Third Party Advisory, US Government Resource)
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:098(Broken Link)
- http://www.redhat.com/support/errata/RHSA-2009-0408.html(Broken Link)
- http://www.securityfocus.com/archive/1/502527/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/archive/1/502546/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/archive/1/504683/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/34409(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id?1021994(Broken Link, Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/usn-755-1(Third Party Advisory)
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html(Third Party Advisory, US Government Resource)
- http://www.vmware.com/security/advisories/VMSA-2009-0008.html(Third Party Advisory)
- http://www.vupen.com/english/advisories/2009/0960(Broken Link)
- http://www.vupen.com/english/advisories/2009/0976(Broken Link)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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