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Fencer Intel
medium 4.3

CVE-2013-6340 json

epan/dissectors/packet-tcp.c in the TCP dissector in Wireshark 1.8.x before 1.8.11 and 1.10.x before 1.10.3 does not properly determine the…

published 2013-11-04 13 y ago modified 2026-06-17 4 mo ago also EUVD-2013-6166

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

epan/dissectors/packet-tcp.c in the TCP dissector in Wireshark 1.8.x before 1.8.11 and 1.10.x before 1.10.3 does not properly determine the amount of remaining data, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.10.3-1

debian advisories DEBIAN-CVE-2013-6340

  • wireshark RHEL 6 1.8.10-7.el6_5
  • wireshark-gnome RHEL 6 1.8.10-7.el6_5

red hat advisories RHSA-2014:0342

  • wireshark openSUSE Tumbleweed 2.2.2-1.1

opensuse advisories openSUSE-SU-2024:10199-1

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-2013-6340 updated cvss 4.3

wireshark: TCP dissector crash (wnpa-sec-2013-65)

  • Red Hat Enterprise Linux Desktop (v. 6) wireshark 1.8.10-7.el6_5, wireshark-gnome 1.8.10-7.el6_5 Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark 1.8.10-7.el6_5 Red Hat Enterprise Linux Server (v. 6) wireshark 1.8.10-7.el6_5, wireshark-gnome 1.8.10-7.el6_5 Red Hat Enterprise Linux Server Optional (v. 6) wireshark 1.8.10-7.el6_5 Red Hat Enterprise Linux Workstation (v. 6) wireshark 1.8.10-7.el6_5, wireshark-gnome 1.8.10-7.el6_5 Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark 1.8.10-7.el6_5
    fixed: vendor fix RHSA-2014:0342
  • Red Hat Enterprise Linux 5 wireshark Red Hat Enterprise Linux 7 wireshark, wireshark-gnome
    not affected: vulnerable code not present

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

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.