High severity8.1OSV Advisory· Published Jan 16, 2026· Updated Apr 15, 2026
CVE-2025-62291
CVE-2025-62291
Description
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
294.0.0, 4.0.1, 4.0.2, …+ 1 more
- (no CPE)range: 4.0.0, 4.0.1, 4.0.2, …
- (no CPE)range: <6.0.3
- osv-coords27 versionspkg:rpm/opensuse/strongswan&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/strongswan&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/strongswan&distro=openSUSE%20Tumbleweedpkg:rpm/suse/strongswan&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/strongswan&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/strongswan&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/strongswan&distro=SUSE%20Manager%20Server%20LTS%204.3
< 5.9.12-150600.3.5.2+ 26 more
- (no CPE)range: < 5.9.12-150600.3.5.2
- (no CPE)range: < 6.0.1-160000.3.1
- (no CPE)range: < 6.0.3-1.1
- (no CPE)range: < 5.8.2-150200.11.45.1
- (no CPE)range: < 5.8.2-150200.11.45.1
- (no CPE)range: < 5.9.11-150400.19.20.1
- (no CPE)range: < 5.9.11-150400.19.20.1
- (no CPE)range: < 5.9.11-150500.5.9.1
- (no CPE)range: < 5.9.11-150500.5.9.1
- (no CPE)range: < 5.9.12-150600.3.5.2
- (no CPE)range: < 5.9.14-150700.3.3.1
- (no CPE)range: < 5.9.12-150600.3.5.2
- (no CPE)range: < 5.9.14-150700.3.3.1
- (no CPE)range: < 5.1.3-26.29.1
- (no CPE)range: < 5.8.2-150200.11.45.1
- (no CPE)range: < 5.9.11-150400.19.20.1
- (no CPE)range: < 5.9.11-150500.5.9.1
- (no CPE)range: < 6.0.1-160000.3.1
- (no CPE)range: < 5.8.2-150200.11.45.1
- (no CPE)range: < 5.9.11-150400.19.20.1
- (no CPE)range: < 5.9.11-150500.5.9.1
- (no CPE)range: < 6.0.1-160000.3.1
- (no CPE)range: < 5.1.3-26.29.1
- (no CPE)range: < 5.9.12-150600.3.5.2
- (no CPE)range: < 5.9.14-150700.3.3.1
- (no CPE)range: < 5.9.11-150400.19.20.1
- (no CPE)range: < 5.9.11-150400.19.20.1
Patches
Vulnerability mechanics
References
4News mentions
0No linked articles in our index yet.