CVE-2006-0677

NONECVSS 0.0

0.0

telnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service (server crash) via unknown vectors that trigger a null dereference.

CVSS v3: —
EG Score: —
EPSS: 92.1%
KEV: Not listed

Published

February 14, 2006

Last Modified

April 16, 2026

References (28)

security@debianhttp://secunia.com/advisories/18894
security@debianhttp://secunia.com/advisories/18961
security@debianhttp://secunia.com/advisories/19005
security@debianhttp://securityreason.com/securityalert/449
security@debianhttp://www.debian.org/security/2006/dsa-977
security@debianhttp://www.osvdb.org/23244
security@debianhttp://www.securityfocus.com/archive/1/426043/100/0/threaded
security@debianhttp://www.securityfocus.com/bid/16676
security@debianhttp://www.stacken.kth.se/lists/heimdal-discuss/2006-02/msg00028.html
security@debianhttp://www.ubuntu.com/usn/usn-253-1
security@debianhttp://www.vupen.com/english/advisories/2006/0456
security@debianhttp://www.vupen.com/english/advisories/2006/0628
security@debianhttp://www.vupen.com/english/advisories/2006/0653
security@debianhttps://exchange.xforce.ibmcloud.com/vulnerabilities/24763
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18894

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Frequently asked(4)

What is CVE-2006-0677?

CVE-2006-0677 is a none vulnerability published on February 14, 2006. telnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service (server crash) via unknown vectors that trigger a null dereference.

When was CVE-2006-0677 disclosed?

CVE-2006-0677 was first published in the National Vulnerability Database on February 14, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-0677 actively exploited?

CVE-2006-0677 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-0677?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-0677, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2006-0677

📅 Published

🔄 Last Modified

🔗 References (28)