CVE-2009-0846Critical
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →Share link
Anyone with the link can open this vulnerability.
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) befo…
CVSS
9.3
Critical
EPSS
0.09
p94
Published
2009-01-01
Updated
2009-01-01
Description
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.
Tags · CWE
CWE-456
CWE-456VariantDraft
Missing Initialization of a Variable
The product does not initialize critical variables, which causes the execution environment to use unexpected values.
https://cwe.mitre.org/data/definitions/456.html →Open in CWE collection →CWE-824
CWE-824BaseIncomplete
Access of Uninitialized Pointer
The product accesses or uses a pointer that has not been initialized.
https://cwe.mitre.org/data/definitions/824.html →Open in CWE collection →Affected products
Enterprise_linuxEnterprise_linux_desktopEnterprise_linux_eusEnterprise_linux_serverEnterprise_linux_workstation
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Timeline
2009-01-01
Published
2009-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: M
Medium
Authentication
Au: N
None (N)
Confidentiality Impact
C: C
Complete
Integrity Impact
I: C
Complete
Availability Impact
A: C
Complete
Exploit indicators
EPSS
0.089 · p94
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
| Product | Vendor | Status |
|---|---|---|
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| enterprise_linux | * | Tracked |
| enterprise_linux_desktop | * | Tracked |
| enterprise_linux_eus | * | Tracked |
| enterprise_linux_server | * | Tracked |
| enterprise_linux_workstation | * | Tracked |
| fedora | * | Tracked |
| kerberos_5 | * | Tracked |
| mac_os_x | * | Tracked |
| ubuntu_linux | * | Tracked |
Source databases
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →RED
RED
Red Hat Security Advisories (RHSA)
Red Hat advisories are authoritative for RHEL-family systems: each record lists the exact package NEVRA fixed, the affected streams, and a Red Hat-assigned severity that may differ from NVD's. Many downstream projects (CentOS Stream, Rocky, Alma) follow these IDs.
Region
US
Updates
1 ч
License
CC BY-SA 4.0
Advisories for Red Hat Enterprise Linux, OpenShift, Ansible and other Red Hat products. Includes detailed backport tracking — critical for long-term-support distributions.
https://access.redhat.com/security/security-updates/ →UBU
UBU
Ubuntu Security Notices (USN)
USNs are authoritative for Ubuntu systems. The CVE Tracker links each vulnerability to its per-release status (needed, released, not-affected) and to the exact Launchpad bug where the fix is integrated.
Region
Intl.
Updates
1 ч
License
CC BY-SA 3.0
Security notices for Ubuntu LTS and interim releases, covering main, universe and (via Pro) ESM-extended packages.
https://ubuntu.com/security/notices →