SB20260422209 - Red Hat Enterprise Linux 10 update for wireshark



SB20260422209 - Red Hat Enterprise Linux 10 update for wireshark

Published: April 22, 2026

Security Bulletin ID SB20260422209
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
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 2 secuirty vulnerabilities.


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

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.


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

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.


Remediation

Install update from vendor's website.