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Fencer Vulns
high 7.8

CVE-2023-6175 json

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark

published 2024-03-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58425

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

NetScreen file parser crash in Wireshark 4.0.0 to 4.0.10 and 3.6.0 to 3.6.18 allows denial of service via crafted capture file

Patch / fix

  • Wireshark Foundation Wireshark 3.6.19, 4.0.11
  • wireshark wireshark 3.6.19, 4.0.11
  • wireshark Debian 12 4.0.11-1~deb12u1
  • wireshark Debian 14, Debian 13 4.0.11-1

debian advisories DEBIAN-CVE-2023-6175

  • wireshark SLE Module for Desktop Applications 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 4.2.6-150600.18.6.1
  • wireshark SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4, SLE Module for Basesystem 15 SP5 +3 more 3.6.19-150000.3.106.1

suse advisories SUSE-SU-2024:3165-1SUSE-SU-2023:4938-1

  • wireshark openSUSE Tumbleweed 4.0.11-2.1

opensuse advisories openSUSE-SU-2024:13458-1

  • wireshark Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 4.0.11-r0

alpine advisories ALPINE-CVE-2023-6175

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • wireshark Azure Linux 3.0 4.4.7-1

azure linux advisories AZL-42552

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2023-6175 updated cvss 6.6

wireshark: NetScreen File Parsing Heap-based Buffer Overflow

  • Red Hat Enterprise Linux 6 wireshark, wireshark-gnome Red Hat Enterprise Linux 7 wireshark, wireshark-gnome
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 wireshark, wireshark-cli Red Hat Enterprise Linux 9 wireshark, wireshark-cli
    affected: no fix planned “Will not fix”

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

3.46% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Wireshark Foundation Wireshark
  • wireshark wireshark

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.