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Fencer Vulns
medium 6.1

CVE-2007-6439 json

Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service (infinite or large loop) via the (1) IPv6 or (2)…

published 2007-12-19 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6405

cvss
6.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service (infinite or large loop) via the (1) IPv6 or (2) USB dissector, which can trigger resource consumption or a crash. NOTE: this identifier originally included Firebird/Interbase, but it is already covered by CVE-2007-6116. The DCP ETSI issue is already covered by CVE-2007-6119.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 0.99.7-1

debian advisories DEBIAN-CVE-2007-6439

  • wireshark RHEL 4 0.99.7-1.el4
  • wireshark RHEL 5 0.99.7-1.el5
  • libsmi RHEL 4 0.4.5-2.el4
  • libsmi RHEL 5 0.4.5-2.el5
  • wireshark-gnome RHEL 4 0.99.7-1.el4
  • wireshark-gnome RHEL 5 0.99.7-1.el5

red hat advisories RHSA-2008:0058

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-6439 updated

wireshark IPv6 and USB dissector crash

  • Red Hat Enterprise Linux (v. 5 server) libsmi 0.4.5-2.el5, wireshark 0.99.7-1.el5, wireshark-gnome 0.99.7-1.el5 Red Hat Enterprise Linux AS version 4 libsmi 0.4.5-2.el4, wireshark 0.99.7-1.el4, wireshark-gnome 0.99.7-1.el4 Red Hat Enterprise Linux Desktop (v. 5 client) libsmi 0.4.5-2.el5, wireshark 0.99.7-1.el5, wireshark-gnome 0.99.7-1.el5 Red Hat Enterprise Linux Desktop version 4 libsmi 0.4.5-2.el4, wireshark 0.99.7-1.el4, wireshark-gnome 0.99.7-1.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libsmi 0.4.5-2.el5, wireshark 0.99.7-1.el5, wireshark-gnome 0.99.7-1.el5 Red Hat Enterprise Linux ES version 4 libsmi 0.4.5-2.el4, wireshark 0.99.7-1.el4, wireshark-gnome 0.99.7-1.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 libsmi 0.4.5-2.el4, wireshark 0.99.7-1.el4, wireshark-gnome 0.99.7-1.el4
    fixed: vendor fix RHSA-2008:0058

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.1 AV:A/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.