CVE-2006-1938

Multiple unspecified vulnerabilities in Ethereal 0.8.x up to 0.10.14 allow remote attackers to cause a denial of service (crash from null dereference) via the (1) Sniffer capture or (2) SMB PIPE dissector.

Published: 2006-04-25 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-1938 is rated Moderate Risk (51.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.90%, 90th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-1938

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-05-19 6.12% 5.90% -0.22%
2 2025-03-30 6.80% 6.12% -0.68%
3 2025-03-29 — 6.80% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1938

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-1938

OS Trackers for CVE-2006-1938

vendor priority summary link
alpine — CVE-2006-1938: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-1938
gentoo high CVE-2006-1938: 1 GLSA(s) (200604-17), 1 atom(s) (net-analyzer/ethereal); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-1938
redhat low — https://access.redhat.com/security/cve/CVE-2006-1938
ubuntu medium CVE-2006-1938 medium priority: Ubuntu including 2 source packages (ethereal, wireshark), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 3, released 3, needs-triage 2. https://ubuntu.com/security/CVE-2006-1938

Affected software / configurations for CVE-2006-1938

Vendor Product Version Raw CPE
ethereal_group ethereal 0.8 cpe:2.3:a:ethereal_group:ethereal:0.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.5 cpe:2.3:a:ethereal_group:ethereal:0.8.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.6 cpe:2.3:a:ethereal_group:ethereal:0.8.6:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.7 cpe:2.3:a:ethereal_group:ethereal:0.8.7:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.8 cpe:2.3:a:ethereal_group:ethereal:0.8.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.9 cpe:2.3:a:ethereal_group:ethereal:0.8.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.10 cpe:2.3:a:ethereal_group:ethereal:0.8.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.11 cpe:2.3:a:ethereal_group:ethereal:0.8.11:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.12 cpe:2.3:a:ethereal_group:ethereal:0.8.12:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.13 cpe:2.3:a:ethereal_group:ethereal:0.8.13:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.14 cpe:2.3:a:ethereal_group:ethereal:0.8.14:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.15 cpe:2.3:a:ethereal_group:ethereal:0.8.15:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.16 cpe:2.3:a:ethereal_group:ethereal:0.8.16:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.17 cpe:2.3:a:ethereal_group:ethereal:0.8.17:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.17a cpe:2.3:a:ethereal_group:ethereal:0.8.17a:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.18 cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.19 cpe:2.3:a:ethereal_group:ethereal:0.8.19:*:*:*:*:*:*:*
ethereal_group ethereal 0.8.20 cpe:2.3:a:ethereal_group:ethereal:0.8.20:*:*:*:*:*:*:*
ethereal_group ethereal 0.9 cpe:2.3:a:ethereal_group:ethereal:0.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.0 cpe:2.3:a:ethereal_group:ethereal:0.9.0:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.1 cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.2 cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.3 cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.4 cpe:2.3:a:ethereal_group:ethereal:0.9.4:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.5 cpe:2.3:a:ethereal_group:ethereal:0.9.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.6 cpe:2.3:a:ethereal_group:ethereal:0.9.6:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.7 cpe:2.3:a:ethereal_group:ethereal:0.9.7:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.8 cpe:2.3:a:ethereal_group:ethereal:0.9.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.9 cpe:2.3:a:ethereal_group:ethereal:0.9.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.10 cpe:2.3:a:ethereal_group:ethereal:0.9.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.11 cpe:2.3:a:ethereal_group:ethereal:0.9.11:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.12 cpe:2.3:a:ethereal_group:ethereal:0.9.12:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.13 cpe:2.3:a:ethereal_group:ethereal:0.9.13:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.14 cpe:2.3:a:ethereal_group:ethereal:0.9.14:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.15 cpe:2.3:a:ethereal_group:ethereal:0.9.15:*:*:*:*:*:*:*
ethereal_group ethereal 0.9.16 cpe:2.3:a:ethereal_group:ethereal:0.9.16:*:*:*:*:*:*:*
ethereal_group ethereal 0.9_.0 cpe:2.3:a:ethereal_group:ethereal:0.9_.0:*:*:*:*:*:*:*
ethereal_group ethereal 0.10 cpe:2.3:a:ethereal_group:ethereal:0.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.0 cpe:2.3:a:ethereal_group:ethereal:0.10.0:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.0a cpe:2.3:a:ethereal_group:ethereal:0.10.0a:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.1 cpe:2.3:a:ethereal_group:ethereal:0.10.1:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.2 cpe:2.3:a:ethereal_group:ethereal:0.10.2:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.3 cpe:2.3:a:ethereal_group:ethereal:0.10.3:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.4 cpe:2.3:a:ethereal_group:ethereal:0.10.4:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.5 cpe:2.3:a:ethereal_group:ethereal:0.10.5:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.6 cpe:2.3:a:ethereal_group:ethereal:0.10.6:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.7 cpe:2.3:a:ethereal_group:ethereal:0.10.7:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.8 cpe:2.3:a:ethereal_group:ethereal:0.10.8:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.9 cpe:2.3:a:ethereal_group:ethereal:0.10.9:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.10 cpe:2.3:a:ethereal_group:ethereal:0.10.10:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.11 cpe:2.3:a:ethereal_group:ethereal:0.10.11:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.12 cpe:2.3:a:ethereal_group:ethereal:0.10.12:*:*:*:*:*:*:*
ethereal_group ethereal 0.10.13 cpe:2.3:a:ethereal_group:ethereal:0.10.13:*:*:*:*:*:*:*

References for CVE-2006-1938

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20060501-01-U.asc
http://lists.suse.com/archive/suse-security-announce/2006-May/0004.html
http://secunia.com/advisories/19769
http://secunia.com/advisories/19805
http://secunia.com/advisories/19828
http://secunia.com/advisories/19839
http://secunia.com/advisories/19958
http://secunia.com/advisories/19962
http://secunia.com/advisories/20117
http://secunia.com/advisories/20210
http://secunia.com/advisories/20944
http://securitytracker.com/id?1015985
http://support.avaya.com/elmodocs2/security/ASA-2006-128.htm
http://www.debian.org/security/2006/dsa-1049
http://www.ethereal.com/appnotes/enpa-sa-00023.html Patch URL Repurposed
http://www.gentoo.org/security/en/glsa/glsa-200604-17.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2006:077
http://www.redhat.com/archives/fedora-announce-list/2006-April/msg00194.html
http://www.redhat.com/archives/fedora-announce-list/2006-April/msg00195.html
http://www.redhat.com/support/errata/RHSA-2006-0420.html
http://www.securityfocus.com/bid/17682
http://www.vupen.com/english/advisories/2006/1501
https://exchange.xforce.ibmcloud.com/vulnerabilities/26016
https://exchange.xforce.ibmcloud.com/vulnerabilities/26023
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9850
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