SB2026022532 - Red Hat Enterprise Linux 8 update for freerdp
Published: February 25, 2026
Security Bulletin ID
SB2026022532
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-22855)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The vulnerability exists due to a boundary error in smartcard_unpack_set_attrib_call() function. A remote attacker can trick the victim into connecting to a malicious server, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
2) Out-of-bounds read (CVE-ID: CVE-2026-22858)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary condition within the crypto_base64_decode() function. A remote attacker can trick the victim into connecting to a malicious server, trigger an out-of-bounds read error and crash the application.
3) Out-of-bounds read (CVE-ID: CVE-2026-22859)
The vulnerability allows a remote attacker to perform a denial of service attack.The vulnerability exists due to a boundary condition within the urb_select_configuration() function. A remote attacker can trick the victim into connecting to a malicious server, trigger an out-of-bounds read error and crash the application.
Remediation
Install update from vendor's website.