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TI-2023-00631 Aliases CVE-2023-0666GHSA-p3q5-qxhp-fpcg

Wireshark RTPS Parsing Buffer Overflow

Priority MEDIUM 62CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 4 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02275 83rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Wireshark (Wireshark Foundation): 4.0.6Red Hat: 2 advisoriesRed Hat: 4 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wireshark FoundationWireshark4.0.0 – 4.0.54.0.6Patch availableCNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*4.0.0 to before 4.0.6VulnerableWireshark Foundation
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*12.0VulnerableDebian
  • cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.0.6 Vulnerable ·Wireshark Foundation
  • cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.0.6

Red Hat 2 advisories

  • RHSA-2023:7015 Released 2023-11-14 · Red Hat rating Moderate
    wireshark security update
    • Red Hat CodeReady Linux Builder (v. 8) wireshark-devel-1:2.6.2-17.el8
    • Red Hat Enterprise Linux AppStream (v. 8) wireshark-1:2.6.2-17.el8, wireshark-cli-1:2.6.2-17.el8
  • RHSA-2023:6469 Released 2023-11-07 · Red Hat rating Moderate
    wireshark security update
    • Red Hat CodeReady Linux Builder (v. 9) wireshark-devel-1:3.4.10-6.el9
    • Red Hat Enterprise Linux AppStream (v. 9) wireshark-1:3.4.10-6.el9, wireshark-cli-1:3.4.10-6.el9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:7015
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2023:6469
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:7015
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:6469

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0666
  2. 2026-10-03 Alias added: GHSA-p3q5-qxhp-fpcg

References

Exploit 2

Advisory 3

Other 1

  • TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
  • TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
  • TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
  • TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
  • TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
See all 794 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences