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Vulnerability record · CVE-2005-4178 · published 12 December 2005

CVE-2005-4178: Dropbear ssh project dropbear ssh vulnerability

DDropbear Ssh Project · Dropbear Ssh

Buffer overflow in Dropbear server before 0.47 allows authenticated users to execute arbitrary code via unspecified inputs that cause insufficient memory to be allocated due to an incorrect expression that does not enforce the proper order of operations.

6.5 CVSS 2.0 Medium EPSS 3.4% · top 11.5%
6.5CVSS 2.0 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in Dropbear server before 0.47 allows authenticated users to execute arbitrary code via unspecified inputs that cause insufficient memory to be allocated due to an incorrect expression that does not enforce the proper order of operations.

AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2005q4/000312.html PatchVendor Advisory
http://matt.ucc.asn.au/dropbear/dropbear.html PatchVendor Advisory
http://secunia.com/advisories/18108 Third Party Advisory
http://secunia.com/advisories/18109 Third Party Advisory
http://secunia.com/advisories/18142 Third Party Advisory
http://www.debian.org/security/2005/dsa-923 Third Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200512-13.xml Third Party Advisory
http://www.securityfocus.com/bid/15923/ Third Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2005/2962 Third Party Advisory
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2005q4/000312.html PatchVendor Advisory
http://matt.ucc.asn.au/dropbear/dropbear.html PatchVendor Advisory
http://secunia.com/advisories/18108 Third Party Advisory
http://secunia.com/advisories/18109 Third Party Advisory
http://secunia.com/advisories/18142 Third Party Advisory
http://www.debian.org/security/2005/dsa-923 Third Party Advisory
http://www.gentoo.org/security/en/glsa/glsa-200512-13.xml Third Party Advisory
http://www.securityfocus.com/bid/15923/ Third Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2005/2962 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2005-4178), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.