CVE-2006-1721

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-04-11 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Cyrus Sasl: 2.1.18, 2.1.18_r1, 2.1.18_r2, 2.1.19, 2.1.20

References

http://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-sasl&msg=7775
http://labs.musecurity.com/advisories/MU-200604-01.txt
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/044992.html
http://secunia.com/advisories/19618
http://secunia.com/advisories/19753
http://secunia.com/advisories/19809
http://secunia.com/advisories/19825
http://secunia.com/advisories/19964
http://secunia.com/advisories/20014
http://secunia.com/advisories/22187

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