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Slackware 15.0: OpenVPN Important State Exhaustion Issue SSA:2025-323-01

New openvpn packages are available for Slackware 15.0 and -current to fix security issues. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [slackware-security] openvpn (SSA:2025-323-01) New openvpn packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: +--------------------------+ patches/packages/openvpn-2.6.16-i586-1_slack15.0.txz: Upgraded. This update fixes a security issue: Fix memcmp check for the hmac verification in the 3way handshake. This bug renders the HMAC based protection against state exhaustion on receiving spoofed TLS handshake packets in the OpenVPN server inefficient. For more information, see: https://www.cve.org/CVERecord?id=CVE-2025-13086 (* Security fix *) +--------------------------+ Where to find the new packages: +-----------------------------+ Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-) Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you. Updated package for Slackware 15.0: ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/openvpn-2.6.16-i586-1_slack15.0.txz Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openvpn-2.6.16-x86_64-1_slack15.0.txz Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openvpn-2.6.16-i686-1.txz Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/openvpn-2.6.16-x86_64-1.txz MD5 signatures: +-------------+ Slackware 15.0 package: f3800e33112d44d10d846224eb480e81 openvpn-2.6.16-i586-1_slack15.0.txz Slackware x86_64 15.0 package: cdaa50283a4666a8833606e3845e4f31 openvpn-2.6.16-x86_64-1_slack15.0.txz Slackware -current package: 0ad85260fe495647e4cc543207e65905 n/openvpn-2.6.16-i686-1.txz Slackwarex86_64 -current package: d911262d05d67dfc9f0f8f642a87b0f4 n/openvpn-2.6.16-x86_64-1.txz Installation instructions: +------------------------+ Upgrade the package as root: # upgradepkg openvpn-2.6.16-i586-1_slack15.0.txz +-----+ . New openvpn packages for Slackware 15.0 address security issues in the TLS handshake process. Upgrade recommended.. openvpn security. . Severity: Important. LinuxSecurity.com Team

Nov 19, 2025 •Important Slackware