CVE-2007-6118

The MEGACO dissector in Wireshark (formerly Ethereal) 0.9.14 to 0.99.6 allows remote attackers to cause a denial of service (long loop and resource consumption) via unknown vectors.

Published: 2007-11-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-6118 is rated Moderate Risk (56.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.29%). Mandatory action: Review affected assets and schedule 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-2007-6118

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 2026-06-15 4.88% 2.29% -2.59%
2 2025-09-12 5.03% 4.88% -0.15%
3 2025-03-30 5.03%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6118

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C 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:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2007-6118

OS Trackers for CVE-2007-6118

vendor priority summary link
debian low CVE-2007-6118 low priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-6118
gentoo high CVE-2007-6118: 1 GLSA(s) (200712-23), 1 atom(s) (net-analyzer/wireshark); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6118
redhat low https://access.redhat.com/security/cve/CVE-2007-6118
ubuntu low CVE-2007-6118 low priority: Ubuntu including 2 source packages (ethereal, wireshark), 18 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 8, ignored 4, not-affected 4, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2007-6118

Affected software / configurations for CVE-2007-6118

Vendor Product Version Raw CPE
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 0.99.0 cpe:2.3:a:ethereal_group:ethereal:0.99.0:*:*:*:*:*:*:*
wireshark wireshark 0.99 cpe:2.3:a:wireshark:wireshark:0.99:*:*:*:*:*:*:*
wireshark wireshark 0.99.0 cpe:2.3:a:wireshark:wireshark:0.99.0:*:*:*:*:*:*:*
wireshark wireshark 0.99.1 cpe:2.3:a:wireshark:wireshark:0.99.1:*:*:*:*:*:*:*
wireshark wireshark 0.99.2 cpe:2.3:a:wireshark:wireshark:0.99.2:*:*:*:*:*:*:*
wireshark wireshark 0.99.3 cpe:2.3:a:wireshark:wireshark:0.99.3:*:*:*:*:*:*:*
wireshark wireshark 0.99.4 cpe:2.3:a:wireshark:wireshark:0.99.4:*:*:*:*:*:*:*
wireshark wireshark 0.99.5 cpe:2.3:a:wireshark:wireshark:0.99.5:*:*:*:*:*:*:*
wireshark wireshark 0.99.6 cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*

References for CVE-2007-6118

URL Tags
http://bugs.gentoo.org/show_bug.cgi?id=199958
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00008.html
http://secunia.com/advisories/27777 Vendor Advisory
http://secunia.com/advisories/27817 Vendor Advisory
http://secunia.com/advisories/28197 Vendor Advisory
http://secunia.com/advisories/28207 Vendor Advisory
http://secunia.com/advisories/28288 Vendor Advisory
http://secunia.com/advisories/28304 Vendor Advisory
http://secunia.com/advisories/28325 Vendor Advisory
http://secunia.com/advisories/28564 Vendor Advisory
http://secunia.com/advisories/28583 Vendor Advisory
http://secunia.com/advisories/29048 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200712-23.xml
http://securitytracker.com/id?1018988
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0004
http://www.debian.org/security/2007/dsa-1414
http://www.mandriva.com/security/advisories?name=MDVSA-2008:001
http://www.mandriva.com/security/advisories?name=MDVSA-2008:1
http://www.redhat.com/support/errata/RHSA-2008-0058.html
http://www.redhat.com/support/errata/RHSA-2008-0059.html
http://www.securityfocus.com/archive/1/485792/100/0/threaded
http://www.securityfocus.com/bid/26532 Patch
http://www.vupen.com/english/advisories/2007/3956
http://www.wireshark.org/security/wnpa-sec-2007-03.html Patch
https://issues.rpath.com/browse/RPL-1975
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10659
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00606.html
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00712.html
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