PT-2026-36254 · Wireshark · Wireshark

Duc Anh Nguyen · Published 2026-03-19 · Updated 2026-06-01 · CVE-2026-5403

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.4 Wireshark versions 4.4.0 through 4.4.14

Description A crash in the SBC codec can lead to a denial of service and potentially allow for arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2026-06394

CVE-2026-5403

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

Affected Products

Wireshark

References · 103

• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/21103 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6534 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7378 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6537 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6532 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6521 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6869 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6538 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7379 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5653 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-5403 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6520 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2228 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5401 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5656 · Security Note