PT-2023-21965 · Wireshark+3 · Wireshark+3

Published 2023-05-26 · Updated 2025-09-29 · CVE-2023-2879

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark versions 3.6.0 through 3.6.13 Wireshark versions 4.0.0 through 4.0.5

Description The issue allows for denial of service through packet injection or a crafted capture file, caused by an infinite loop in the GDSDB.

Recommendations For Wireshark versions 3.6.0 through 3.6.13, update to a version outside of this range to resolve the issue. For Wireshark versions 4.0.0 through 4.0.5, update to a version outside of this range to resolve the issue.

Exploit

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-1938

ALT-PU-2023-1971

ALT-PU-2023-1976

ALT-PU-2023-5823

ALT-PU-2023-6556

CVE-2023-2879

DLA-3443-1

DLA-3906-1

DSA-5429-1

OESA-2023-1321

OESA-2023-1322

OPENSUSE-SU-2023_3252-1

OPENSUSE-SU-2024:12989-1

ROSA-SA-2024-2390

SUSE-SU-2023:3252-1

Affected Products

Alt Linux

Astra Linux

Suse

Wireshark

References · 51

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2879.json · Exploit
• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/19068 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2023-2879 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-2879 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12989-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-2879 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3252-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3906-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2879 · Security Note
• https://osv.dev/vulnerability/CVE-2023-2879 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-2879 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1321 · Vendor Advisory
• https://debian.org/security/2023/dsa-5429 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2855 · Security Note
• https://wireshark.org/security/wnpa-sec-2023-14.html · Vendor Advisory