High severity7.8NVD Advisory· Published May 1, 2018· Updated Jun 17, 2026
CVE-2018-9336
CVE-2018-9336
Description
openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- osv-coords2 versionspkg:rpm/opensuse/openvpn&distro=openSUSE%20Tumbleweedpkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015
< 2.5.3-1.2+ 1 more
- (no CPE)range: < 2.5.3-1.2
- (no CPE)range: < 2.4.3-5.3.19
Patches
Vulnerability mechanics
References
5- github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79bnvdPatchThird Party Advisory
- www.tenable.com/security/research/tra-2018-09nvdExploitThird Party Advisory
- www.slackware.com/security/viewer.phpnvdMailing ListThird Party Advisory
- community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24nvdRelease NotesVendor Advisory
- github.com/OpenVPN/openvpn/releases/tag/v2.4.6nvdRelease NotesThird Party Advisory
News mentions
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