CVE-2009-0847
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT...
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
Exploit likelihood
What each source reports
NVD Score used
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
CVE-2009-0847- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
CVE-2009-0847- Updated
- 2026-11-02
EUVDEUVD-2009-0844 No score
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
EUVD-2009-0844- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ph4p-rhxr-85rq No score
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT...
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
GHSA-ph4p-rhxr-85rq- Updated
- 2026-11-02
OSV No score
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
CVE-2009-0847- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-0847 No score
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
- Record
DEBIAN-CVE-2009-0847- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10004-1 No score
krb5-1.15-1.1 on GA media
These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10004-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
krb5Debian:12 |
before 1.6.dfsg.4~beta1-13 | 1.6.dfsg.4~beta1-13 |
krb5Debian:13 |
before 1.6.dfsg.4~beta1-13 | 1.6.dfsg.4~beta1-13 |
krb5Debian:14 |
before 1.6.dfsg.4~beta1-13 | 1.6.dfsg.4~beta1-13 |
krb5Debian:4.0 From an advisory covering 4 CVEs |
before 1.4.4-7etch7, plus listed versions 1.4.4-7etch11.4.4-7etch21.4.4-7etch31.4.4-7etch41.4.4-7etch51.4.4-7etch6 |
1.4.4-7etch7 |
krb5Debian:5.0 From an advisory covering 4 CVEs |
before 1.6.dfsg.4~beta1-5lenny1, plus listed versions 1.6.dfsg.4~beta1-5 |
1.6.dfsg.4~beta1-5lenny1 |
krb5openSUSE:Tumbleweed From an advisory covering 54 CVEs |
before 1.15-1.1 | 1.15-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0847 is a medium vulnerability (CVSS 4.3) in Mit Kerberos, published April 9, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.77%, the 86th percentile. Fixed in krb5 1.6.dfsg.4~beta1-13.
References
support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
mandriva.com/security/advisories?name=MDVSA-2009:098
securityfocus.com/archive/1/502526/100/0/threaded
kb.cert.org/vuls/id/662091
vupen.com/english/advisories/2009/0960
support.apple.com/kb/HT3549
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support.avaya.com/elmodocs2/security/ASA-2009-142.htm
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387
secunia.com/advisories/34637
securitytracker.com/id?1021993
sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
security.gentoo.org/glsa/glsa-200904-09.xml
lists.apple.com/archives/security-announce/2009/May/msg00002.html
ubuntu.com/usn/usn-755-1
www-01.ibm.com/support/docview.wss?uid=swg21396120
web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
us-cert.gov/cas/techalerts/TA09-133A.html
wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
marc.info?l=bugtraq&m=124896429301168&w=2
nvd.nist.gov/vuln/detail/CVE-2009-0847
github.com/advisories/GHSA-ph4p-rhxr-85rq
security-tracker.debian.org/tracker/CVE-2009-0847
suse.com/security/cve/CVE-2002-2443