🛡️ CVE-2023-3649 — wireshark

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-126 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

iSCSI dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Affected software

CVE-2023-3649 is recorded against 1 package.

  • wireshark (from 4.0.0 up to 4.0.6)

Timeline and source

Published on 14 July 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

gitlab.com
www.wireshark.org
gitlab.com
lists.debian.org
www.wireshark.org

CVE-2023-3649 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE CWE-126
Public Exploit ✅ No
Source NVD
Published 2023-07-14
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
wireshark 4.0.0 4.0.6

Similar Threats

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