CVE-2007-6121

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of...

5.0 MediumFix available

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Exploit likelihood

2.00%Down 2.4 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: CVE-2007-6121
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: CVE-2007-6121
Updated: 2026-11-02

EUVDEUVD-2007-6090 No score

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: EUVD-2007-6090
Updated: 2026-11-03

GitHub AdvisoriesGHSA-295v-qw27-g2wh No score

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of...

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: GHSA-295v-qw27-g2wh
Weakness: CWE-20
Updated: 2026-11-02

OSV No score

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: CVE-2007-6121
Updated: 2026-11-02

OSVDEBIAN-CVE-2007-6121 No score

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Record: DEBIAN-CVE-2007-6121
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wireshark` Debian:12	before 0.99.7~pre1-1	0.99.7~pre1-1
`wireshark` Debian:13	before 0.99.7~pre1-1	0.99.7~pre1-1
`wireshark` Debian:14	before 0.99.7~pre1-1	0.99.7~pre1-1
`wireshark` Debian:4.0 From an advisory covering 5 CVEs	before 0.99.4-5.etch.1, plus listed versions 0.99.4-50.99.4-5.etch.0	0.99.4-5.etch.1
`ethereal` Debian:3.1 From an advisory covering 5 CVEs	before 0.10.10-2sarge10, plus listed versions 0.10.10-2sarge20.10.10-2sarge30.10.10-2sarge40.10.10-2sarge50.10.10-2sarge60.10.10-2sarge80.10.10-2sarge9	0.10.10-2sarge10
`wireshark` Debian:5.0 From an advisory covering 11 CVEs	before 0.99.6rel-5+0.99.7~pre1-1+lenny1	0.99.6rel-5+0.99.7~pre1-1+lenny1
`libsmi` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-debuginfo` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-devel` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`wireshark` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4

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Affected packages
Package	Affected	Fixed
`wireshark-debuginfo` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-gnome` Red Hat:enterprise_linux:4::as From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`libsmi` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-debuginfo` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`wireshark` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-debuginfo` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-gnome` Red Hat:enterprise_linux:4::desktop From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`libsmi` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-debuginfo` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-devel` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`wireshark` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-debuginfo` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-gnome` Red Hat:enterprise_linux:4::es From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`libsmi` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-debuginfo` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`libsmi-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.4.5-2.el4	0:0.4.5-2.el4
`wireshark` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-debuginfo` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`wireshark-gnome` Red Hat:enterprise_linux:4::ws From an advisory covering 16 CVEs	before 0:0.99.7-1.el4	0:0.99.7-1.el4
`libsmi` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`libsmi-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`libsmi-devel` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`wireshark` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`wireshark-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`wireshark-gnome` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`libsmi` Red Hat:enterprise_linux:5::client From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`libsmi-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`wireshark` Red Hat:enterprise_linux:5::client From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`wireshark-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`libsmi` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`libsmi-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`libsmi-devel` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.4.5-2.el5	0:0.4.5-2.el5
`wireshark` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`wireshark-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`wireshark-gnome` Red Hat:enterprise_linux:5::server From an advisory covering 16 CVEs	before 0:0.99.7-1.el5	0:0.99.7-1.el5
`libsmi` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-debuginfo` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-devel` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`wireshark` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-debuginfo` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-gnome` Red Hat:enterprise_linux:3::as From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`libsmi` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-debuginfo` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-devel` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`wireshark` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-debuginfo` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-gnome` Red Hat:enterprise_linux:3::desktop From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`libsmi` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-debuginfo` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-devel` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`wireshark` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-debuginfo` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-gnome` Red Hat:enterprise_linux:3::es From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`libsmi` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-debuginfo` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`libsmi-devel` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.4.5-3.el3	0:0.4.5-3.el3
`wireshark` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-debuginfo` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1
`wireshark-gnome` Red Hat:enterprise_linux:3::ws From an advisory covering 14 CVEs	before 0:0.99.7-EL3.1	0:0.99.7-EL3.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	affected, aliases, facts, references, title	GitHub Advisories, OSV
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-6121 is a medium vulnerability (CVSS 5.0) in Ethereal Group Ethereal, published November 23, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 80th percentile. Fixed in wireshark 0.99.7~pre1-1.

References

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