Critical severity9.8NVD Advisory· Published Dec 7, 2023· Updated Jun 17, 2026
CVE-2023-41913
CVE-2023-41913
Description
strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22(expand)+ 1 more
- (no CPE)
- (no CPE)range: >=5.3.0,<5.9.12
- Range: <5.9.12
- osv-coords19 versionspkg:rpm/opensuse/strongswan&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/strongswan&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/strongswan&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 5.9.11-150400.19.17.2+ 18 more
- (no CPE)range: < 5.9.11-150400.19.17.2
- (no CPE)range: < 5.9.11-150500.5.6.1
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150000.4.23.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.9.11-150400.19.17.2
- (no CPE)range: < 5.9.11-150500.5.6.1
- (no CPE)range: < 5.9.11-150400.19.17.2
- (no CPE)range: < 5.9.11-150500.5.6.1
- (no CPE)range: < 5.8.2-150000.4.23.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150000.4.23.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.8.2-150200.11.42.2
- (no CPE)range: < 5.9.11-150400.19.17.2
- (no CPE)range: < 5.9.11-150500.5.6.1
Patches
Vulnerability mechanics
References
6- www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.htmlnvdVendor Advisory
- github.com/strongswan/strongswan/releasesnvdRelease Notes
- lists.debian.org/debian-lts-announce/2023/11/msg00018.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPJZPYHBCRXUQGGKQE6TYH4J4RIJH6HO/nvd
- security.netapp.com/advisory/ntap-20250117-0003/nvd
News mentions
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