GLSA 202507-04: strongSwan: Buffer Overflow
| Severity: | normal |
| Title: | strongSwan: Buffer Overflow |
| Date: | 07/08/2025 |
| Bugs: | |
| ID: | 202507-04 |
Synopsis
A buffer overflow has been discovered in strongSwan, which can lead to remote code execution.Background
strongSwan is an IPSec implementation for Linux.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| net-vpn/strongswan | < 5.9.13 | >= 5.9.13 | All supported architectures |
Description
Multiple vulnerabilities have been discovered in strongSwan. Please review the CVE identifiers referenced below for details.
Impact
A vulnerability in charon-tkm related to processing DH public values was discovered in strongSwan that can result in a buffer overflow and potentially remote code execution.
Workaround
There is no known workaround at this time.
Resolution
All strongSwan users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/strongswan-5.9.13"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.