SB20260425218 - Fedora 43 update for tcpflow
Published: April 25, 2026
Security Bulletin ID
SB20260425218
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-25061)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds write in WifiPacket::parse_elements() in src/wifipcap/wifipcap.cpp when parsing a crafted 802.11 management frame TIM element. A remote attacker can send a specially crafted frame to cause a denial of service.
The affected structure is stack-allocated in handle_beacon() and related handlers, and the overwrite can write 1 byte past tim.bitmap[251].
Remediation
Install update from vendor's website.