MEDIUM
krb5: buffer over-read in SPNEGO GSS-API mechanism (MITKRB5-SA-2009-001)
Published Apr 9, 2009
5.8
MEDIUMCVSS 2.0
EPSS 4.32%
Description
The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.
Affected products
No data.
OR
- 5-1.6.3
- n/a
- 1.5
- 1.5.1
- 1.5.2
- 1.5.3
- 1.6
- 1.6.1
- 1.6.2
No data.
Red Hat Enterprise Linux 5
krb5-0:1.6.1-31.el5_3.3
Fixed · RHSA-2009:0408
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | krb5-0:1.6.1-31.el5_3.3 | Fixed | RHSA-2009:0408 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.32% 0.04316
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04316
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.32% (0.04316) | 90.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.32% (0.04316) | 89.87th | v5 (v2026.06.15) |
| Jun 13, 2026 | 4.44% (0.04441) | 89.34th | v4 (v2025.03.14) |
| Jan 18, 2026 | 3.43% (0.03433) | 87.13th | v4 (v2025.03.14) |
| Dec 23, 2025 | 4.59% (0.04590) | 88.86th | v4 (v2025.03.14) |
| Dec 1, 2025 | 3.56% (0.03557) | 87.34th | v4 (v2025.03.14) |
| Nov 9, 2025 | 5.19% (0.05186) | 89.42th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.97% (0.07970) | 91.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.49% (0.19489) | 92.47th | v4 (v2025.03.14) |
| Mar 21, 2025 | 7.97% (0.07970) | 91.37th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.93% (0.06927) | 90.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.15% (0.03148) | 91.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.15% (0.03148) | 89.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.93% (0.03932) | 85.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.93% (0.03932) | 84.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.93% (0.03932) | 67.70th | v2 (v2022.01.01) |
Weaknesses (1)
References (43)
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/34594 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34617 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34622 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34628 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34630 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34637 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34640 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34734 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200904-09.xml vendor-advisoryx_refsource_GENTOO
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1 vendor-advisoryx_refsource_SUNALERT
- http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
- http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm x_refsource_CONFIRM
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html x_refsource_MISC
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html x_refsource_MISC
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt x_refsource_CONFIRM
- http://wiki.rpath.com/Advisories:rPSA-2009-0058 x_refsource_CONFIRM
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058 x_refsource_MISC
- http://www-01.ibm.com/support/docview.wss?uid=swg21396120 x_refsource_CONFIRM
- http://www.kb.cert.org/vuls/id/662091 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:098 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2009-0408.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/502526/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/502546/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/34408 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1021867 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/usn-755-1 vendor-advisoryx_refsource_UBUNTU
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/0960 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/0976 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1057 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1106 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/2248 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-0844 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=491033 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-0844
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6339 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9474 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-0844
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 9, 2009
Updated Aug 7, 2024
Reserved Mar 6, 2009
Link CVE-2009-0844
CISA Vulnrichment
Updated n/a