Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-0666

22
FAUCET Score

CVE-2023-0666 describes a heap-based buffer overflow vulnerability in Wireshark versions 4.0.5 and earlier, affecting Debian Linux distributions. This flaw stems from insufficient validation of attacker-crafted RTPS packet lengths, potentially leading to denial of service or arbitrary code execution. The vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction to trigger. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, < 4.0.6CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
>= 4.0.0, <= 4.0.5CPE match
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.26%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 91st percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: wireshark-1:2.6.2-17.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: wireshark-1:3.4.10-6.el9
View patch

Vendor Advisories (1)

redhatCVE-2023-0666Moderate

wireshark: RTPS dissector crash

May 18, 2023

References

lists.debian.org / debian-lts-announce/2024/09/msg00049.html
gitlab.com / wireshark/wireshark/-/issues/19085
ExploitIssue Tracking
security.gentoo.org / glsa/202309-02
Third Party Advisory
takeonme.org / cves/CVE-2023-0666.html
Exploit
debian.org / security/2023/dsa-5429
Third Party Advisory
wireshark.org / docs/relnotes/wireshark-4.0.6.html
Release Notes
wireshark.org / security/wnpa-sec-2023-18.html
Vendor Advisory