PT-2026-36255 · Wireshark · Wireshark

Todo · Published 2026-03-14 · Updated 2026-05-09 · CVE-2026-5404

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 buffer copy without checking the size of input, known as a classic buffer overflow, occurs in the K12 RF5 file parser. This issue can lead to a crash, resulting in a denial of service.

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

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2026-06398

CVE-2026-5404

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/21094 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6520 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6869 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6519 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7376 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-5404 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6522 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5654 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5406 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6537 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2228 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5404 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5657 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5403 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6870 · Security Note