CVE-2006-1721
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current Description
digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service (segmentation fault) via malformed inputs in DIGEST-MD5 negotiation.
View Analysis Description
Analysis
Description
Unspecified vulnerability in digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, has unknown impact and remote unauthenticated attack vectors, related to DIGEST-MD5 negotiation.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:H/Au:N/C:N/I:N/A:P)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc
CVE, MITRE
http://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-sasl&msg=7775
CVE, MITRE
http://labs.musecurity.com/advisories/MU-200604-01.txt
CVE, MITRE
Patch
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
CVE, MITRE
http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/044992.html
CVE, MITRE
http://secunia.com/advisories/19618
CVE, MITRE
Patch
Vendor Advisory
http://secunia.com/advisories/19753
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/19809
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/19825
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/19964
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/20014
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/22187
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/26708
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/26857
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/27237
CVE, MITRE
Vendor Advisory
http://secunia.com/advisories/30535
CVE, MITRE
Vendor Advisory
http://securitytracker.com/id?1016960
CVE, MITRE
http://support.avaya.com/elmodocs2/security/ASA-2007-426.htm
CVE, MITRE
http://www.debian.org/security/2006/dsa-1042
CVE, MITRE
http://www.gentoo.org/security/en/glsa/glsa-200604-09.xml
CVE, MITRE
http://www.mandriva.com/security/advisories?name=MDKSA-2006:073
CVE, MITRE
http://www.novell.com/linux/security/advisories/2006_05_05.html
CVE, MITRE
http://www.redhat.com/support/errata/RHSA-2007-0795.html
CVE, MITRE
http://www.redhat.com/support/errata/RHSA-2007-0878.html
CVE, MITRE
http://www.securityfocus.com/archive/1/493080/100/0/threaded
CVE, MITRE
http://www.securityfocus.com/bid/17446
CVE, MITRE
Patch
http://www.trustix.org/errata/2006/0024
CVE, MITRE
http://www.vmware.com/security/advisories/VMSA-2008-0009.html
CVE, MITRE
http://www.vupen.com/english/advisories/2006/1306
CVE, MITRE
Vendor Advisory
http://www.vupen.com/english/advisories/2006/3852
CVE, MITRE
Vendor Advisory
http://www.vupen.com/english/advisories/2008/1744
CVE, MITRE
Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25738
CVE, MITRE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9861
CVE, MITRE
https://usn.ubuntu.com/272-1/
CVE, MITRE
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-20
Improper Input Validation
NIST
Change History
9 change records found show changes
CVE Modified by MITRE
6/16/2026 6:23:30 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
CVE Status Change
4/15/2026 8:27:16 PM
Action
Type
Old Value
New Value
CVE Modified by CVE
11/20/2024 7:09:34 PM
Action
Type
Old Value
New Value
Added
Reference
ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc
Added
Reference
http://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-sasl&msg=7775
Added
Reference
http://labs.musecurity.com/advisories/MU-200604-01.txt
Added
Reference
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
Added
Reference
http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/044992.html
Added
Reference
http://secunia.com/advisories/19618
Added
Reference
http://secunia.com/advisories/19753
Added
Reference
http://secunia.com/advisories/19809
Added
Reference
http://secunia.com/advisories/19825
Added
Reference
http://secunia.com/advisories/19964
Added
Reference
http://secunia.com/advisories/20014
Added
Reference
http://secunia.com/advisories/22187
Added
Reference
http://secunia.com/advisories/26708
Added
Reference
http://secunia.com/advisories/26857
Added
Reference
http://secunia.com/advisories/27237
Added
Reference
http://secunia.com/advisories/30535
Added
Reference
http://securitytracker.com/id?1016960
Added
Reference
http://support.avaya.com/elmodocs2/security/ASA-2007-426.htm
Added
Reference
http://www.debian.org/security/2006/dsa-1042
Added
Reference
http://www.gentoo.org/security/en/glsa/glsa-200604-09.xml
Added
Reference
http://www.mandriva.com/security/advisories?name=MDKSA-2006:073
Added
Reference
http://www.novell.com/linux/security/advisories/2006_05_05.html
Added
Reference
http://www.redhat.com/support/errata/RHSA-2007-0795.html
Added
Reference
http://www.redhat.com/support/errata/RHSA-2007-0878.html
Added
Reference
http://www.securityfocus.com/archive/1/493080/100/0/threaded
Added
Reference
http://www.securityfocus.com/bid/17446
Added
Reference
http://www.trustix.org/errata/2006/0024
Added
Reference
http://www.vmware.com/security/advisories/VMSA-2008-0009.html
Added
Reference
http://www.vupen.com/english/advisories/2006/1306
Added
Reference
http://www.vupen.com/english/advisories/2006/3852
Added
Reference
http://www.vupen.com/english/advisories/2008/1744
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/25738
Added
Reference
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9861
Added
Reference
https://usn.ubuntu.com/272-1/
CVE Modified by MITRE
5/13/2024 9:35:51 PM
Action
Type
Old Value
New Value
CVE Modified by MITRE
10/18/2018 12:34:02 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securityfocus.com/archive/1/493080/100/0/threaded [No Types Assigned]
Removed
Reference
http://www.securityfocus.com/archive/1/archive/1/493080/100/0/threaded [No Types Assigned]
CVE Modified by MITRE
10/03/2018 5:37:18 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/272-1/ [No Types Assigned]
Removed
Reference
http://www.ubuntulinux.org/support/documentation/usn/usn-272-1 [No Types Assigned]
CVE Modified by MITRE
10/10/2017 9:30:46 PM
Action
Type
Old Value
New Value
Added
Reference
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9861 [No Types Assigned]
Removed
Reference
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9861 [No Types Assigned]
CVE Modified by MITRE
7/19/2017 9:30:50 PM
Action
Type
Old Value
New Value
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/25738 [No Types Assigned]
Removed
Reference
http://xforce.iss.net/xforce/xfdb/25738 [No Types Assigned]
Initial CVE Analysis
4/12/2006 1:52:00 PM
Action
Type
Old Value
New Value
Quick Info
CVE Dictionary Entry: CVE-2006-1721 NVD
Published Date: 04/11/2006 NVD
Last Modified: 06/16/2026
Source: MITRE