PT-2026-21915 · Wireshark · Wireshark

Published 2026-01-01 · Updated 2026-04-22 · CVE-2026-3203

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 4.4.0 through 4.4.13 Wireshark versions 4.6.0 through 4.6.3

Description A flaw exists in the RF4CE Profile protocol dissector within Wireshark. This issue can lead to a denial of service.

Recommendations Update Wireshark to a version later than 4.6.3. Update Wireshark to a version later than 4.4.13.

Exploit

Fix

DoS

Buffer Over-read

Weakness Enumeration

CWE-126

Related Identifiers

ALSA-2026:9666

AZL-78339

CVE-2026-3203

OESA-2026-1545

OESA-2026-1547

OESA-2026-1548

OESA-2026-1549

OESA-2026-1550

OPENSUSE-SU-2026:10274-1

OPENSUSE-SU-2026:20685-1

RHSA-2026:9666

SUSE-SU-2026:1169-1

SUSE-SU-2026:21559-1

Affected Products

Wireshark

References · 77

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3203.json · Exploit
• https://osv.dev/vulnerability/OESA-2026-1545 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0962 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-3201 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3203 · Vendor Advisory
• https://wireshark.org/security/wnpa-sec-2026-07.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3203 · Security Note
• https://osv.dev/vulnerability/OESA-2026-1550 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2026-9666.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-3203 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-78339 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1549 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1548 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1169-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10274-1 · Vendor Advisory