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Fencer Intel
medium 4.3

CVE-2015-6243 json

The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which al…

published 2015-08-24 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-6185

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the (1) dissector_get_string_handle and (2) dissector_get_default_string_handle functions.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.12.7+g7fc8978-1

debian advisories DEBIAN-CVE-2015-6243

  • wireshark Ubuntu 14.04 LTS 2.6.3-1~ubuntu14.04.1
  • wireshark Ubuntu 16.04 LTS 2.6.3-1~ubuntu16.04.1
  • wireshark Ubuntu 18.04 LTS 2.6.3-1~ubuntu18.04.1

ubuntu advisories UBUNTU-CVE-2015-6243

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • wireshark RHEL 7 1.10.14-7.el7
  • wireshark-gnome RHEL 7 1.10.14-7.el7

red hat advisories RHSA-2015:2393

  • wireshark SLES 11 SP4, SLES 11 SP3-TERADATA, SLES 11 SP3 +6 more 1.12.7-0.5.3
  • wireshark SLES for SAP 12, SLES 12, SLED 12 +1 more 1.12.7-15.1

suse advisories SUSE-SU-2015:1676-2SUSE-SU-2015:1676-1SUSE-SU-2015:1713-1

  • 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-2015-6243 updated cvss 4.3

wireshark: Dissector table crash (wnpa-sec-2015-23)

  • Red Hat Enterprise Linux 5 wireshark Red Hat Enterprise Linux 6 wireshark, wireshark-gnome
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) wireshark 1.10.14-7.el7, wireshark-gnome 1.10.14-7.el7 Red Hat Enterprise Linux Client Optional (v. 7) wireshark-devel 1.10.14-7.el7, wireshark-debuginfo 1.10.14-7.el7 Red Hat Enterprise Linux Server (v. 7) wireshark 1.10.14-7.el7, wireshark-gnome 1.10.14-7.el7 Red Hat Enterprise Linux Server Optional (v. 7) wireshark-devel 1.10.14-7.el7, wireshark-debuginfo 1.10.14-7.el7 Red Hat Enterprise Linux Workstation (v. 7) wireshark 1.10.14-7.el7, wireshark-gnome 1.10.14-7.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) wireshark-devel 1.10.14-7.el7, wireshark-debuginfo 1.10.14-7.el7
    fixed: vendor fix RHSA-2015:2393

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

2.96% chance of exploitation in the next 30 days, higher than 87% 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.