SB2026031754 - Fedora 44 update for wireshark



SB2026031754 - Fedora 44 update for wireshark

Published: March 17, 2026

Security Bulletin ID SB2026031754
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Uncontrolled Memory Allocation (CVE-ID: CVE-2026-3201)

CWE-ID: CWE-789 - Uncontrolled Memory Allocation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to USB HID protocol dissector memory exhaustion. A remote attacker can trick a victim to open a specially crafted packet trace file and cause a denial of service (DoS) condition on the target system.


2) NULL pointer dereference (CVE-ID: CVE-2026-3202)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the NTS-KE protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.


3) Out-of-bounds read (CVE-ID: CVE-2026-3203)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the RF4CE Profile protocol dissector. A remote attacker can create a specially crafted packet trace file, trick the victim into opening it, trigger an out-of-bounds read error and cause a denial of service condition on the system.


Remediation

Install update from vendor's website.